Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional information (Details)

v3.20.4
Intangible Assets - Additional information (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]        
Amortization of Intangible Assets $ 73,000 $ 76,000 $ 145,000 $ 153,000
Intangible asset impairment     $ 0 $ 0
Patents        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life     10 years  
Maximum | Intellectual Property        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life     23 years  
Minimum | Intellectual Property        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life     16 years