Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional information (Details)

v3.19.3.a.u2
Summary of Significant Accounting Policies - Additional information (Details)
 3 Months Ended 6 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2019
USD ($)
item
Dec. 31, 2018
USD ($)
Jun. 30, 2019
USD ($)
Summary Of Significant Accounting Policies [Line Items]          
Number Of Lines Of Business | item     3    
Contract liabilities (or deferred revenue) $ 3,033,000   $ 3,033,000   $ 1,279,000
Goodwill and Intangible Asset Impairment     0 $ 0  
Revenues From Grants   $ 37,000   $ 37,000  
Contract with Customer, Liability, Revenue Recognized 25,000   118,000    
Contract with Customer, Asset, Net, Current $ 0   $ 0   $ 0
Dividend rate     0.00%    
Minimum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Estimated useful life, Fixed assets     P3Y    
Maximum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Estimated useful life, Fixed assets     P15Y    
Patents [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Finite-Lived Intangible Asset, Useful Life     10 years    
Intellectual Property [Member] | Minimum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Finite-Lived Intangible Asset, Useful Life     16 years    
Intellectual Property [Member] | Maximum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Finite-Lived Intangible Asset, Useful Life     23 years