Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional information (Details)

v3.20.1
Intangible Assets - Additional information (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Finite-Lived Intangible Assets [Line Items]        
Amortization of Intangible Assets $ 72,000 $ 92,000 $ 225,000 $ 243,000
Intangible asset impairment     $ 0 $ 0
Patents [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life     10 years  
Maximum [Member] | Intellectual Property [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life     23 years  
Minimum [Member] | Intellectual Property [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life     16 years