Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Components of Intangible Assets (Details)

v3.19.3
Intangible Assets - Components of Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Intangible assets consist of:          
Intangible assets, net $ 1,488   $ 1,488   $ 1,181
Cost of goods sold 4,510 $ 3,464 12,468 $ 9,282  
Amortization of intangible assets 33 $ 19 89 $ 59  
Future amortization of license agreements          
Remainder of 2019 34   34    
2020 132   132    
2021 132   132    
2022 132   132    
2023 132   132    
Thereafter     531    
License Agreements          
Intangible assets consist of:          
Finite-lived intangible assets, gross 1,067   1,067   1,034
Less: accumulated amortization (624)   (624)   (553)
Intangible assets, net 443   $ 443   481
License Agreements | Minimum          
Intangible assets consist of:          
Amortization period of intangible assets     17 years    
License Agreements | Maximum          
Intangible assets consist of:          
Amortization period of intangible assets     20 years    
Patents          
Intangible assets consist of:          
Finite-lived intangible assets, gross 1,118   $ 1,118   755
Less: accumulated amortization (73)   (73)   (55)
Intangible assets, net $ 1,045   $ 1,045   $ 700
Patents | Maximum          
Intangible assets consist of:          
Amortization period of intangible assets     20 years