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Note 16 - Concentration of Credit Risk (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Distributor [Member]        
Number of Customers 3 3 3 3
Distributors and Marketing Partners [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member]        
Concentration Risk, Percentage 79.00% 82.00% 73.00% 82.00%
Distributors and Marketing Partners [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]        
Concentration Risk, Percentage 86.00% 83.00% 86.00% 83.00%