Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

v3.19.3
Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Jun. 30, 2019
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross carrying value $ 5,686 $ 5,660
Finite-Lived Intangible Assets, Accumulated Amortization (4,363) (4,286)
Net intangible assets 1,323 1,374
Intellectual Property [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross carrying value 3,100 3,100
Finite-Lived Intangible Assets, Accumulated Amortization (2,438) (2,399)
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross carrying value 2,586 2,560
Finite-Lived Intangible Assets, Accumulated Amortization $ (1,925) $ (1,887)