Prepaid Expenses and Other - Schedule of Prepaid Expenses and Other (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other receivables	$ 748	$ 864
Deposits	172	64
Prepaid insurance	524	551
Prepaid rent	259	297
Prepaid repairs and maintenance	687	698
Prepaid taxes	641	508
Prepaid commissions	2,696	1,510
Prepaid inventory	425	278
Prepaid expenses	1,089	605
Prepaid royalty	0	32
Total prepaid expenses and other	$ 7,241	$ 5,407