CLS Holdings USA, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

Stockholders' Equity (Details)																					3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
Stockholders' Equity (Details)	Jul. 22, 2019 USD ($) shares	Jul. 19, 2019 USD ($) $ / shares shares	Jul. 08, 2019 $ / shares shares	Dec. 12, 2018 $ / shares shares	Nov. 30, 2018 $ / shares shares	Nov. 14, 2018 $ / shares shares	Sep. 11, 2018 USD ($) shares	Sep. 06, 2018 $ / shares shares	Aug. 20, 2018 USD ($) shares	Aug. 14, 2018 $ / shares shares	Aug. 10, 2018 USD ($) $ / shares shares	Aug. 01, 2018 USD ($) shares	Jul. 31, 2018 USD ($) $ / shares shares	Jul. 24, 2018 USD ($) shares	Jul. 01, 2018 USD ($) shares	Jun. 27, 2018 USD ($) shares	Jun. 24, 2018 USD ($) shares	Jun. 20, 2018 USD ($) $ / shares shares	Jun. 20, 2018 CAD ($) shares	Jun. 01, 2018 USD ($)	Feb. 29, 2020 USD ($) $ / shares shares	Feb. 28, 2019 USD ($)	Nov. 30, 2018 USD ($) $ / shares shares	Feb. 29, 2020 USD ($) $ / shares shares	Feb. 28, 2019 USD ($) shares	May 31, 2019 USD ($) $ / shares shares	May 31, 2017 USD ($) shares	Aug. 20, 2018 $ / shares	Aug. 08, 2018 $ / shares shares	Aug. 06, 2018 $ / shares shares	Jul. 27, 2018 $ / shares shares	Jul. 20, 2018 $ / shares shares	Jun. 20, 2018 $ / shares
Stockholders' Equity (Details) [Line Items]
Common Stock, Shares Authorized (in Shares) \| shares																					750,000,000			750,000,000		750,000,000
Common Stock, Par or Stated Value Per Share (in Dollars per share) \| $ / shares																					$ 0.0001			$ 0.0001		$ 0.0001
Preferred Stock, Shares Authorized (in Shares) \| shares																					20,000,000			20,000,000		20,000,000
Common Stock, Shares, Issued (in Shares) \| shares																					126,521,414			126,521,414		125,839,095
Common Stock, Shares, Outstanding (in Shares) \| shares																					126,521,414			126,521,414		125,839,095
Debt Conversion, Converted Instrument, Shares Issued (in Shares) \| shares		15,677	16,644																								10,816,960
Warrants and Rights Outstanding, Term		3 years	3 years
Class of Warrant or Rights, Granted (in Shares) \| shares		7,838	8,322
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares		$ 1.10	$ 1.10		$ 0.65	$ 0.75		$ 0.75		$ 0.75													$ 0.65								$ 0.50
Debt Conversion, Original Debt, Amount		$ 12,542																					$ 256,027	$ 25,857	$ 0	$ 13,315
Stock Issued During Period, Value, Issued for Services							$ 25,310																490,000	$ 22,500	490,000
Stock Issued During Period, Shares, Issued for Services (in Shares) \| shares							31,250							700,000										100,000
Payments for Commissions														$ 250,000
Share-based Payment Arrangement, Expense																								$ 124,582	328,513
Stock Issued During Period, Shares, Acquisitions (in Shares) \| shares																22,058,823
Stock Issued During Period, Value, Acquisitions																$ 15,441,176
Proceeds from Issuance or Sale of Equity																								0	15,535,978
Adjustments to Additional Paid in Capital, Warrant Issued																								$ 874,457	2,369,830
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares) \| shares					33,465,110	5,867		13,684		129,412
Class of Warrant Or Rights, Exercised (in Shares) \| shares					33,465,110	25,000		40,000		350,000														0		(415,000)
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) \| shares																															1,368,250
Debt Instrument, Convertible, Beneficial Conversion Feature																								$ 0	9,039,096
Debt Instrument, Original Issue Discount																									81,961
Embedded Derivative, No Longer Bifurcated, Amount Reclassified to Stockholders' Equity																				$ 1,265,751						$ 1,265,751
Amortization of Debt Discount (Premium)																				35,833	$ 398,611	$ 732,027		1,249,053	2,481,674
Debt Instrument, Unamortized Discount																					$ 0			0		67,384
Principal [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							$ 250,000				$ 2,537,750
Accrued Interest [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Converted Instrument, Shares Issued (in Shares) \| shares																							640,068
Debt Conversion, Original Debt, Amount																							$ 6,027				$ 166,490
Darling Note [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Converted Instrument, Shares Issued (in Shares) \| shares																							1,808,000
Debt Conversion, Original Debt, Amount																							$ 565,000
Darling Note [Member] \| Principal [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							550,000
Darling Note [Member] \| Accrued Interest [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							$ 15,000
Efrat Note [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Converted Instrument, Shares Issued (in Shares) \| shares																							183,040
Debt Conversion, Original Debt, Amount																							$ 57,200
Efrat Note [Member] \| Principal [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							55,000
Efrat Note [Member] \| Accrued Interest [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							$ 2,200
Lamadrid Note [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Converted Instrument, Shares Issued (in Shares) \| shares																							103,989
Debt Conversion, Original Debt, Amount																							$ 32,497
Lamadrid Note [Member] \| Principal [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							31,250
Lamadrid Note [Member] \| Accrued Interest [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							$ 1,247
Lasky Note [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Converted Instrument, Shares Issued (in Shares) \| shares																							65,462
Debt Conversion, Original Debt, Amount																							$ 26,185
Lasky Note [Member] \| Principal [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							25,000
Lasky Note [Member] \| Accrued Interest [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							$ 1,185
Newcan Convertible Note 8 [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Converted Instrument, Shares Issued (in Shares) \| shares																							196,336
Debt Conversion, Original Debt, Amount																							$ 78,534
Debt Instrument, Convertible, Beneficial Conversion Feature																										58,594
Newcan Convertible Note 8 [Member] \| Principal [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							75,000
Newcan Convertible Note 8 [Member] \| Accrued Interest [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							$ 3,534
YA II PN Note [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Converted Instrument, Shares Issued (in Shares) \| shares																							700,616
Debt Conversion, Original Debt, Amount																							$ 280,247
YA II PN Note [Member] \| Principal [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							250,000
YA II PN Note [Member] \| Accrued Interest [Member]
Stockholders' Equity (Details) [Line Items]
Debt Conversion, Original Debt, Amount																							30,247
YA II PN Note #2 [Member]
Stockholders' Equity (Details) [Line Items]
Debt Instrument, Convertible, Beneficial Conversion Feature																										362,500
Navy Capital Debenture 1 [Member]
Stockholders' Equity (Details) [Line Items]
Debt Instrument, Unamortized Discount																				$ 750,000		3,254,863			3,254,863	3,254,896
Navy Capital Debenture 2 [Member]
Stockholders' Equity (Details) [Line Items]
Debt Instrument, Unamortized Discount																						813,696			813,696	$ 813,724
Navy Capital Debenture 3 [Member]
Stockholders' Equity (Details) [Line Items]
Debt Instrument, Unamortized Discount																						75,395			75,395
Navy Capital Debenture 4 [Member]
Stockholders' Equity (Details) [Line Items]
Debt Instrument, Unamortized Discount																						416,627			416,627
Navy Capital Debenture 5 [Member]
Stockholders' Equity (Details) [Line Items]
Debt Instrument, Unamortized Discount																						120,078			120,078
Navy Capital Debenture 6 [Member]
Stockholders' Equity (Details) [Line Items]
Debt Instrument, Unamortized Discount																						$ 60,030			60,030
Common Stock [Member]
Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Value, Issued for Services																								$ 10	$ 73
Stock Issued During Period, Shares, Issued for Services (in Shares) \| shares																								100,000	731,250
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares) \| shares																								32,319	3,697,511
Additional Paid-in Capital [Member]
Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Value, Issued for Services																								$ 22,490	$ 515,240
Adjustments to Additional Paid in Capital, Warrant Issued																									2,369,830
Chief Executive Officer [Member]
Stockholders' Equity (Details) [Line Items]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture (in Shares) \| shares	500,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	$ 355,000
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings (in Shares) \| shares															500,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period															1 year
Fair Value Restricted Common Stock															$ 355,000
APIC, Share-based Payment Arrangement, Increase for Cost Recognition																								355,000
Chief Executive Officer [Member] \| Common Stock [Member]
Stockholders' Equity (Details) [Line Items]
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	50
Chief Executive Officer [Member] \| Additional Paid-in Capital [Member]
Stockholders' Equity (Details) [Line Items]
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	$ 354,950
Chief Operating Officer [Member]
Stockholders' Equity (Details) [Line Items]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture (in Shares) \| shares	50,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	$ 35,495
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings (in Shares) \| shares															50,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period															1 year
Fair Value Restricted Common Stock															$ 35,500
APIC, Share-based Payment Arrangement, Increase for Cost Recognition																								35,500
Chief Operating Officer [Member] \| Common Stock [Member]
Stockholders' Equity (Details) [Line Items]
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	5
Chief Operating Officer [Member] \| Additional Paid-in Capital [Member]
Stockholders' Equity (Details) [Line Items]
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	$ 35,500
David Lamadrid [Member]
Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Value, Issued for Services																	$ 264,000
Stock Issued During Period, Shares, Issued for Services (in Shares) \| shares																	600,000
Share-based Payment Arrangement, Expense																	$ 213,320						$ 50,680
Chief Financial Officer [Member]
Stockholders' Equity (Details) [Line Items]
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings (in Shares) \| shares												25,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period												4 months
Fair Value Restricted Common Stock												$ 17,500
APIC, Share-based Payment Arrangement, Increase for Cost Recognition																								$ 17,500
To Be Issued to Officers [Member]
Stockholders' Equity (Details) [Line Items]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture (in Shares) \| shares																								791,668
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture																								$ 124,582
Stock To Be Issued [Member]
Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Value, Issued for Services																								$ 45,000
Stock Issued During Period, Shares, Issued for Services (in Shares) \| shares																								200,000
Special Warrants [Member]
Stockholders' Equity (Details) [Line Items]
Class of Warrant or Rights, Granted (in Shares) \| shares									3,042,167									28,973,020	28,973,020
Class of Warrant or Right, Exercise Price of Warrants or Rights \| (per share)																		$ 0.65															$ 0.45
Payments for Commissions																		$ 799,053	$ 1,043,028
Proceeds from Issuance or Sale of Equity																		$ 9,785,978	$ 13,037,859
Warrants Issued, Price Per Warrant \| (per share)																		$ 0.34															$ 0.45
Warrant Description																		Each special warrant was automatically exercisable, for no additional consideration, into units of the Company on the earlier of: (i) the date that was five business days following the date on which the Company obtained a receipt from the applicable securities regulatory authorities in each of the jurisdictions in Canada in which the special warrants were sold for a final prospectus qualifying the distribution of the units, which was intended to be no later than November 30, 2018, and (ii) the date that was four months and one day after the completion of the Company's acquisition of all of the membership interests in Alternative Solutions, LLC, known as Oasis Cannabis	Each special warrant was automatically exercisable, for no additional consideration, into units of the Company on the earlier of: (i) the date that was five business days following the date on which the Company obtained a receipt from the applicable securities regulatory authorities in each of the jurisdictions in Canada in which the special warrants were sold for a final prospectus qualifying the distribution of the units, which was intended to be no later than November 30, 2018, and (ii) the date that was four months and one day after the completion of the Company's acquisition of all of the membership interests in Alternative Solutions, LLC, known as Oasis Cannabis
Adjustments to Additional Paid in Capital, Warrant Issued																		$ 1,495,373
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period																		36 months	36 months
Class of Warrants or Rights, Value																		$ 1,413,300
Warrant, Term of Warrants																		3 years	3 years
Unit, Description									the unexercised special warrants were adjusted to entitle the holders to receive 1.1 units instead of one unit of the Company
Other Noncash Expense									$ 7,142,550
Special Warrants [Member] \| Finance Fee [Member]
Stockholders' Equity (Details) [Line Items]
Class of Warrant or Rights, Granted (in Shares) \| shares																		1,448,651	1,448,651
Special Warrants [Member] \| Compensation Warrants [Member]
Stockholders' Equity (Details) [Line Items]
Class of Warrant or Rights, Granted (in Shares) \| shares																		2,317,842	2,317,842
Navy Green Capital Offering [Member]
Stockholders' Equity (Details) [Line Items]
Warrants and Rights Outstanding, Term																														3 years
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares													$ 0.60																	$ 0.60
Warrant, Term of Warrants													3 years
Unit, Description													The units collectively represent (i) 7,500,000 shares of common stock, and (ii) three-year warrants to purchase an aggregate of 7,500,000 shares of common stock at an exercise price of $0.60 per share of common stock
Number of Units Issued (in Shares) \| shares													7,500,000
Unit, Price Per Unit (in Dollars per share) \| $ / shares													$ 0.40
Units, Value, Subscriptions													$ 3,000,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) \| shares													7,500,000																	7,500,000
Navy Capital [Member]
Stockholders' Equity (Details) [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares											$ 0.60
Warrant, Term of Warrants											3 years
Unit, Description											The units collectively represent (i) 6,875,000 shares of common stock, and (ii) three-year warrants to purchase an aggregate of 6,875,000 shares of common stock at an exercise price of $0.60 per share of common stock
Number of Units Issued (in Shares) \| shares											6,875,000
Unit, Price Per Unit (in Dollars per share) \| $ / shares											$ 0.40
Units, Value, Subscriptions											$ 2,750,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) \| shares											6,875,000
Number of Subscription Agreements											5
Private Placement, Westpark Offering [Member]
Stockholders' Equity (Details) [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares																															$ 0.75
Adjustments to Additional Paid in Capital, Warrant Issued																								$ 941,972
In Connection with the Sale of Convertible Debt [Member] \| YA II PN Note [Member]
Stockholders' Equity (Details) [Line Items]
Warrants and Rights Outstanding, Term																																5 years
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares																																$ 0.60
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) \| shares																																1,250,000
Navy Green Capital and Ionic Venture Offering [Member]
Stockholders' Equity (Details) [Line Items]
Warrants and Rights Outstanding, Term																													3 years
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares																													$ 0.60
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) \| shares																													6,875,000
Broker Warrants [Member]
Stockholders' Equity (Details) [Line Items]
Warrants and Rights Outstanding, Term																												3 years
Class of Warrant or Rights, Granted (in Shares) \| shares									2,317,842
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares																												$ 0.45
Adjustments to Additional Paid in Capital, Warrant Issued																									$ 1,495,373
Debenture Offering [Member] \| Compensation Warrants [Member]
Stockholders' Equity (Details) [Line Items]
Class of Warrant or Rights, Granted (in Shares) \| shares				268,680
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares				$ 1.10
Unit, Price Per Unit (in Dollars per share) \| $ / shares				$ 0.80
Debenture Offering [Member] \| Debenture Offering, Advisory and Agent Fees [Member]
Stockholders' Equity (Details) [Line Items]
Class of Warrant or Rights, Granted (in Shares) \| shares				1,074,720
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares				$ 1.10
Unit, Description				Each warrant entitles the holder to purchase one unit, which consists of one share of common stock and a warrant to purchase one share of common stock, for C$0.65 per share.
Unit, Price Per Unit (in Dollars per share) \| $ / shares				$ 0.80