Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional information (Details)

v3.20.2
Intangible Assets - Additional information (Details) - USD ($)
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Finite-Lived Intangible Assets [Line Items]    
Amortization of Intangible Assets $ 72,000 $ 77,000
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