v3.26.3
Consolidated Balance Sheets (Parenthetical) - USD ($)
Jun. 30, 2026
Jun. 30, 2025
Allowance for doubtful accounts $ 18,000 $ 34,000
Inventory reserves $ 301,000 $ 232,000
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 5,700,000 5,700,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 175,000,000 175,000,000
Common stock, shares issued 76,834,057 76,834,057
Common stock, shares outstanding 76,834,057 76,834,057
Series A Convertible Preferred Stocks [Member]    
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 4,300,000 4,300,000
Preferred stock, shares issued 4,300,000 4,300,000
Preferred stock, shares outstanding 4,300,000 4,300,000
Liquidation preference $ 1,000,000 $ 1,000