Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.21.2
Summary of Significant Accounting Policies (Details Narrative) - USD ($)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Cash $ 4,713,000 $ 726,000
Cash equivalents
Inventory adjustments 195,000 317,000
Standard and extended product warranty accrual 895,000 726,000
Impairment of long-lived assets held-for-use
Unrecognized tax benefits
Weighted average number of common shares outstanding - basic and diluted 11,796,217 5,118,713
Potentially dilutive common shares outstanding 891,659 2,210,216
Minimum [Member]    
Property, plant and equipment, useful life 3 years  
Maximum [Member]    
Property, plant and equipment, useful life 10 years