XML 13 R3.htm IDEA: XBRL DOCUMENT v3.25.1
Condensed Consolidated Balance Sheets (Parentheticals) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Accounts receivable, allowances (in Dollars) $ 7,000 $ 7,000
Inventories, reserves for obsolescence (in Dollars) $ 5,155,000 $ 5,152,000
Preferred stock, par value (in Dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common Class A [Member]    
Common stock par value (in Dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 20,000,000 20,000,000
Common Stock, shares issued 5,258,568 5,258,568
Common stock, shares outstanding 5,258,568 5,258,568
Common Class B [Member]    
Common stock par value (in Dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 762,612 762,612
Common Stock, shares issued 762,612 762,612
Common stock, shares outstanding 762,612 762,612