Annual report pursuant to Section 13 and 15(d)

Other Current Assets - Schedule of Other Current Assets (Detail)

v3.3.1.900
Other Current Assets - Schedule of Other Current Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Inventory $ 133 $ 280
Prepaid expenses 1,985 893
Other assets, current $ 2,118 $ 1,173