Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.1.9
Subsequent Events - Additional Information (Detail) (Subsequent Events [Member])
0 Months Ended
Dec. 01, 2014
Subsequent Events [Member]
 
Subsequent Event [Line Items]  
Reverse stock split ratio 1-for-0.625
Common stock issued to stock holders 0.625us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember