Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.20.2
Summary of Significant Accounting Policies - Additional Information (Details)
3 Months Ended 12 Months Ended
Sep. 30, 2018
USD ($)
Jun. 30, 2020
USD ($)
item
Jun. 30, 2019
USD ($)
Summary Of Significant Accounting Policies [Line Items]      
Number Of Lines Of Business | item   3  
Revenues   $ 1,638,000 $ 2,018,000
Revenues From Grants   0 37,000
Contract with Customer, Asset, Net, Current   0 0
Contract liabilities   1,810,000 1,279,000
Contract with Customer, Liability, Revenue Recognized $ 3,100,000 1,279,000 1,279,000
Work in progress   798,000 0
Impairment of Intangible Assets (Excluding Goodwill)   $ 0 $ 0
Dividend rate   0.00% 0.00%
Cash, FDIC Insured Amount   $ 54,680,000 $ 3,924,000
Sales Revenue, Net [Member] | Customer A [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Concentration Risk, Percentage   77.00% 92.00%
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  
Intellectual Property [Member] | Minimum [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Finite-Lived Intangible Assets, Remaining Amortization Period   16 years  
Intellectual Property [Member] | Maximum [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Finite-Lived Intangible Assets, Remaining Amortization Period   23 years  
Patents [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life   10 years  
Recognized at a point in time      
Summary Of Significant Accounting Policies [Line Items]      
Revenues   $ 1,491,000 $ 170,000
Recognized over time      
Summary Of Significant Accounting Policies [Line Items]      
Revenues   $ 147,000 $ 1,848,000