XML 55 R43.htm IDEA: XBRL DOCUMENT v3.25.1
Note 11 - Related Party Transactions (Details Textual) - China JV Partner [Member] - USD ($)
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Accounts Payable $ 53,000   $ 243,000
Purchase From Supplier [Member]      
Related Party Transaction, Purchases from Related Party $ 29,000 $ 51,000