v3.26.1
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Allowance for credit losses $ 4,000 $ 4,000
Inventory valuation reserve $ 818,000 $ 818,000
Common stock, par value $ 0.001 $ 0.001
Common stock, authorized 500,000,000 500,000,000
Common stock, issued 96,537,000 86,154,000
Common stock, outstanding 96,537,000 86,154,000
Series C Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, authorized 9,000.0 9,000
Preferred stock, issued 0 0
Preferred stock, outstanding 0 0
Series C1 Convertible Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, authorized 20,300 20,300
Preferred stock, issued 400 400
Preferred stock, outstanding 400 400
Preferred stock, liquidation preference $ 374,000 $ 374,000
Series C2 Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, authorized 5,000,000 5,000,000
Preferred stock, issued 0 0
Preferred stock, outstanding 0 0
Series D Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, authorized 6,000.0 6,000
Preferred stock, issued 100 100
Preferred stock, outstanding 100 100
Preferred stock, liquidation preference $ 50,000 $ 50,000
Series F Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, authorized 1,500 1,500
Preferred stock, issued 300 1,000.0
Preferred stock, outstanding 300 1,000
Preferred stock, liquidation preference $ 271,000 $ 981,000
Series F-2 Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, authorized 5,000.0 5,000
Preferred stock, issued 200 500
Preferred stock, outstanding 200 500
Preferred stock, liquidation preference $ 245,000 $ 480,000
Series E Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, authorized 5,000.0 5,000
Preferred stock, issued 200 300
Preferred stock, outstanding 200 300
Preferred stock, liquidation preference $ 200,000 $ 300,000