Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details)

v3.19.3
Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Gross Carrying Amount $ 5,069 $ 5,053
Accumulated Amortization (3,962) (3,768)
Finite-Lived Intangible Assets, Net $ 1,107 1,285
Patent [Member]    
Weighted Average Amortization Period (Years) 11 years  
Gross Carrying Amount $ 740 728
Accumulated Amortization (353) (336)
Finite-Lived Intangible Assets, Net $ 387 392
Software [Member]    
Weighted Average Amortization Period (Years) 3 years  
Gross Carrying Amount $ 414 410
Accumulated Amortization (407) (403)
Finite-Lived Intangible Assets, Net $ 7 7
Customer Relationships [Member]    
Weighted Average Amortization Period (Years) 10 years  
Gross Carrying Amount $ 3,370 3,370
Accumulated Amortization (2,657) (2,491)
Finite-Lived Intangible Assets, Net $ 713 879
Permit [Member]    
Weighted Average Amortization Period (Years) 10 years  
Gross Carrying Amount $ 545 545
Accumulated Amortization (545) (538)
Finite-Lived Intangible Assets, Net $ 7