Prepaid Expenses and Other - Schedule of Prepaid Expenses and Other (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other receivables	$ 227	$ 751
Deposits	721	420
Prepaid insurance	482	517
Prepaid rent	225	234
Prepaid repairs and maintenance	829	917
Prepaid taxes	442	279
Prepaid commissions	1,461	2,935
Prepaid expenses	903	1,042
Total prepaid expenses and other	$ 5,290	$ 7,095