v3.4.0.3
Property and Equipment - Summary of Property and Equipment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 600 $ 544
Less accumulated depreciation (409) (388)
Total 191 156
Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 378 322
Tooling and Molds [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 58 58
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 164 $ 164