Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional information (Details)

v3.19.3.a.u2
Intangible Assets - Additional information (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]        
Amortization of Intangible Assets $ 76,000 $ 68,000 $ 153,000 $ 151,000
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