Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Carrying Value and Accumulated Amortization) (Details)

v3.21.1
Intangible Assets (Carrying Value and Accumulated Amortization) (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, gross carrying value $ 5,948 $ 5,728
Finite-Lived Intangible Assets, accumulated Amortization (4,802) (4,584)
Net intangible assets 1,146 1,144
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 (2,672) (2,555)
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, gross carrying value 2,848 2,628
Finite-Lived Intangible Assets, accumulated Amortization $ (2,130) $ (2,029)