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

Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Subsequent Events (Details)

Note 13 - Subsequent Events (Details) - USD ($)				3 Months Ended		12 Months Ended
Note 13 - Subsequent Events (Details) - USD ($)	Oct. 09, 2017	Sep. 25, 2017	Sep. 20, 2017	Aug. 31, 2017	Aug. 31, 2016	May 31, 2017
Note 13 - Subsequent Events (Details) [Line Items]
Debt Conversion, Converted Instrument, Shares Issued (in Shares)						10,816,960
Debt Conversion, Original Debt, Amount				$ 62,500	$ 250,000
Debt Instrument, Convertible, Conversion Price (in Dollars per share)						$ 0.25
Convertible Debt [Member] \| Old Main 8% Note [Member]
Note 13 - Subsequent Events (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				8.00%		8.00%
Debt Instrument, Payment Terms						At the earlier of September 18, 2016 or two trading days after this registration statement becomes effective, the Company must begin to redeem 1/6th of the face amount of the note and any accrued but unpaid interest on a monthly basis. Such amortization payment may be made, at its option, in cash or, subject to certain conditions, in common stock pursuant to a conversion rate equal to the lower of (a) $1.07 (post Reverse-Split) or (b) 75% of the lowest daily volume weighted average price of the common stock in the twenty consecutive trading days ending on the trading day that is immediately prior to the applicable conversion date.
Subsequent Event [Member] \| Convertible Debt [Member] \| Trocki Note [Member]
Note 13 - Subsequent Events (Details) [Line Items]
Debt Instrument, Face Amount			$ 200,000
Debt Conversion, Converted Instrument, Shares Issued (in Shares)			1,500,000
Debt Conversion, Original Debt, Amount			$ 105,219
Subsequent Event [Member] \| Convertible Debt [Member] \| Old Main 8% Note [Member]
Note 13 - Subsequent Events (Details) [Line Items]
Debt Instrument, Face Amount		$ 200,000
Debt Conversion, Converted Instrument, Shares Issued (in Shares)		4,500,000
Debt Conversion, Original Debt, Amount		$ 382,496
Debt Instrument, Interest Rate, Stated Percentage		8.00%
Convertible Debt		$ 325,000
Subsequent Event [Member] \| Convertible Debt [Member] \| Binder Convertible Note 7 [Member]
Note 13 - Subsequent Events (Details) [Line Items]
Debt Instrument, Payment Terms	No payments are required until January 2, 2019, at which time all accrued interest becomes due and payable.
Debt Instrument, Convertible, Conversion Price (in Dollars per share)	$ 0.25
Subsequent Event [Member] \| Convertible Debt [Member] \| Newcan Convertible Note 6 [Member]
Note 13 - Subsequent Events (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	10.00%
Debt Instrument, Payment Terms	No payments are required until January 2, 2019, at which time all accrued interest becomes due and payable. Commencing on April 1, 2019, the first of eight principal payments will become due; subsequent principal payments will become due on the first day of each July, October, January and April until paid in full
Debt Instrument, Convertible, Conversion Price (in Dollars per share)	$ 0.25
Subsequent Event [Member] \| Convertible Debt [Member] \| Binder Convertible Note 7 [Member]
Note 13 - Subsequent Events (Details) [Line Items]
Debt Instrument, Face Amount	$ 39,521
Debt Conversion, Original Debt, Amount	12,500
Subsequent Event [Member] \| Convertible Debt [Member] \| Newcan Convertible Note 6 [Member]
Note 13 - Subsequent Events (Details) [Line Items]
Debt Conversion, Original Debt, Amount	$ 30,000
Subsequent Event [Member] \| Convertible Debt [Member] \| Convertible Debt [Member] \| Binder Convertible Note 7 [Member]
Note 13 - Subsequent Events (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	10.00%