Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Narrative) (Details)

v3.22.0.1
Summary of Significant Accounting Policies (Narrative) (Details)
3 Months Ended 6 Months Ended
Dec. 31, 2021
USD ($)
customer
$ / shares
Dec. 31, 2020
USD ($)
customer
Dec. 31, 2021
USD ($)
customer
$ / shares
Dec. 31, 2020
USD ($)
customer
Jun. 30, 2021
USD ($)
$ / shares
Summary Of Significant Accounting Policies [Line Items]          
Provisions for contract loss $ 0   $ 0   $ 0
Contract assets 0   0   0
Contract liabilities (or deferred revenue) 60,000   60,000   423,000
Revenue recognized included in contract liabilities 42,000 $ 187,000 126,000 $ 499,000  
Restricted cash $ 5,940,000   $ 5,940,000   $ 0
Common stock, par value (in dollars per share) | $ / shares $ 0.001   $ 0.001   $ 0.001
Dividend rate     0.00%    
Amount in excess of insured limit $ 14,697,000   $ 14,697,000   $ 27,013,000
Intangible asset impairment     0 $ 0  
impairments of investments     $ 0    
Revenue [Member] | Customer Concentration Risk [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Number of major customers | customer 4 4 6 4  
Customer One [Member] | Revenue [Member] | Customer Concentration Risk [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Concentration risk, percentage 74.00% 64.00% 33.00% 40.00%  
Customer Two [Member] | Revenue [Member] | Customer Concentration Risk [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Concentration risk, percentage 17.00% 27.00% 23.00% 24.00%  
Customer Three [Member] | Revenue [Member] | Customer Concentration Risk [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Concentration risk, percentage     22.00% 19.00%  
Customer Four [Member] | Revenue [Member] | Customer Concentration Risk [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Concentration risk, percentage     14.00% 17.00%  
Minimum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Fixed assets, useful life     3 years    
Maximum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Fixed assets, useful life     39 years    
Patents and Licenses [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Intangible asset, useful life     10 years    
Intellectual Property [Member] | Minimum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Intangible asset, useful life     16 years    
Intellectual Property [Member] | Maximum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Intangible asset, useful life     23 years