Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Narrative) (Details)

v3.21.2
Intangible Assets (Narrative) (Details) - USD ($)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]    
Amortization of Intangible Assets $ 291,000 $ 298,000
Patents and Licenses [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible asset, useful life 10 years  
Weighted average remaining life 8 years  
Intellectual Property [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining life 2 years 6 months  
License [Member]    
Finite-Lived Intangible Assets [Line Items]    
Impairment of intangible assets $ 143,000 $ 0
Maximum [Member] | Intellectual Property [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible asset, useful life 23 years  
Minimum [Member] | Intellectual Property [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible asset, useful life 16 years