Other Assets - Schedule of Other Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred financing costs	$ 262	$ 456
Deposits	195	195
Prepaid royalty	244	245
Other assets	518	819
Total other assets	$ 1,219	$ 1,715