Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Components of Intangible Assets (Details)

v3.20.2
Intangible Assets - Components of Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Intangible assets consist of:          
Intangible assets, net $ 1,660   $ 1,660   $ 1,515
Amortization of intangible assets 36 $ 30 72 $ 56  
Future amortization of patents and license agreements          
Intangible assets, net 1,660   1,660   1,515
License Agreements          
Intangible assets consist of:          
Finite-lived intangible assets, gross 1,080   1,080   1,067
Less: accumulated amortization (696)   (696)   (647)
Intangible assets, net 384   384   420
Future amortization of patents and license agreements          
Intangible assets, net 384   $ 384   420
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    
Trademarks          
Intangible assets consist of:          
Intangible assets, net 350   $ 350   334
Future amortization of patents and license agreements          
Intangible assets, net 350   350   334
Patents          
Intangible assets consist of:          
Finite-lived intangible assets, gross 1,033   1,033   845
Less: accumulated amortization (107)   (107)   (84)
Intangible assets, net 926   926   761
Future amortization of patents and license agreements          
Intangible assets, net 926   $ 926   $ 761
Patents | Maximum          
Intangible assets consist of:          
Amortization period of intangible assets     20 years    
Patents And License Agreements          
Intangible assets consist of:          
Intangible assets, net 1,310   $ 1,310    
Future amortization of patents and license agreements          
2020 (excluding six months ended June 30, 2020) 76   76    
2021 154   154    
2022 154   154    
2023 112   112    
2024 54   54    
Thereafter 760   760    
Intangible assets, net $ 1,310   $ 1,310