v3.5.0.2
Inventory - Schedule of Inventory (Detail) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Inventory Disclosure [Abstract]    
Finished goods $ 4,904,000 $ 6,913,000
Inventory reserve (178,000) (276,000)
Net inventory $ 4,726,000 $ 6,637,000