v3.22.2.2
Patents net (Details Narrative) - USD ($)
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Amortization expense $ 382,000 $ 378,000
General & administrative expenses 141,000 0
Patent write off $ 141,000 $ 0
Minimum [Member] | IntangibleAssets [Member] | Patents [Member]    
Estimated remaining useful lives of the assets 12 years  
Future amortization period 2023 years  
Maximum [Member] | IntangibleAssets [Member] | Patents [Member]    
Estimated remaining useful lives of the assets 17 years  
Future amortization period 2026 years  
Common Class A [Member]    
June 30, 2023 $ 371,000  
June 30, 2024 371,000  
June 30, 2025 371,000  
June'2026 361,000  
June 30, 2026 and Thereafter $ 838,000