Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Summary of Intangible Assets (Details)

v3.3.1.900
Intangible Assets - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Finite Lived Intangible Assets [Line Items]    
Gross carrying amount $ 1,232 $ 1,186
Accumulated amortization 1,003 916
Net amount $ 229 $ 270
Licenses    
Finite Lived Intangible Assets [Line Items]    
Estimated useful life of intangible asset 10 years 10 years
Gross carrying amount $ 185 $ 185
Accumulated amortization 100 81
Net amount $ 85 $ 104
Patents And Websites    
Finite Lived Intangible Assets [Line Items]    
Estimated useful life of intangible asset 5 years 5 years
Gross carrying amount $ 873 $ 873
Accumulated amortization 779 749
Net amount $ 94 $ 124
Commercial    
Finite Lived Intangible Assets [Line Items]    
Estimated useful life of intangible asset 2 years 2 years
Gross carrying amount $ 174 $ 128
Accumulated amortization 124 86
Net amount $ 50 $ 42