Prepaid Expenses and Other - Prepaid Expenses and Other (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other receivables	$ 251	$ 751
Tax receivables	92	155
Deposits	862	420
Deferred cost of goods sold	150	0
Prepaid insurance	327	517
Prepaid rent	111	234
Prepaid repairs and maintenance	1,503	917
Prepaid taxes	415	279
Prepaid commissions	2,201	2,935
Prepaid expenses	715	1,042
Total prepaid expenses and other	6,627	$ 7,250
Increase (decrease) in deposits	400
Increase (decrease) in other receivables	(500)
Increase (decrease) in prepaid insurance	(200)
Increase (decrease) in prepaid rent	(100)
Increase (decrease) in prepaid repairs and maintenance	$ 600
Repairs and maintenance contract, period for recognition	12 months
Increase (decrease) in prepaid commission	$ (700)