Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Narrative) (Details)

v3.22.2.2
Summary of Significant Accounting Policies (Narrative) (Details)
 12 Months Ended
Jun. 30, 2022
USD ($)
customer
item
$ / shares
Jun. 30, 2021
USD ($)
customer
$ / shares
Summary Of Significant Accounting Policies [Line Items]    
Number of lines of business | item 3  
Reserve for loss on contract $ 0 $ 0
Contract assets 0 0
Contract liabilities 100,000 423,000
Revenue recognized included in contract liabilities $ 178,000 $ 1,087,000
Lease, Practical Expedients, Package [true false] true  
Common stock, par value (in dollars per share) | $ / shares $ 0.001 $ 0.001
Dividend rate 0.00% 0.00%
Amount in excess of insured limit $ 18,200,000 $ 27,013,000
Four Customers [Member] | Revenue [Member] | Customer Concentration Risk [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Number of major customers | customer   4
Concentration risk, percentage   99.00%
Ten Customers [Member] | Revenue [Member] | Customer Concentration Risk [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Number of major customers | customer 10  
Concentration risk, percentage 100.00%  
Customer One [Member] | Revenue [Member] | Customer Concentration Risk [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Number of major customers | customer 1  
Concentration risk, percentage 76.00%  
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 15 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