Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Additional Information (Detail)

v3.4.0.3
Property and Equipment - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended
Jan. 31, 2016
Mar. 31, 2016
Mar. 31, 2015
Property Plant And Equipment [Line Items]      
Depreciation   $ 4,000 $ 6,000
Leasehold Improvements [Member]      
Property Plant And Equipment [Line Items]      
Impairment of Long-Lived Assets Held-for-use $ 12,000