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Note 13 - Significant Customers/Vendors (Details Textual)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Customer Concentration Risk [Member] | Accounts Receivable [Member]          
Number of Major Customers     1   3
Customer Concentration Risk [Member] | Accounts Receivable [Member] | One Customer [Member]          
Concentration Risk, Percentage     18.30%    
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Three Customers [Member]          
Concentration Risk, Percentage         49.20%
Customer Concentration Risk [Member] | Revenue Benchmark [Member]          
Number of Major Customers 1 2 1 3  
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | One Customer [Member]          
Concentration Risk, Percentage     12.80%    
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Three Customers [Member]          
Concentration Risk, Percentage       49.20%  
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Two Customers [Member]          
Concentration Risk, Percentage 19.70% 36.10%      
Supplier Concentration Risk [Member] | Accounts Payable [Member]          
Number of Major Vendors     1   1
Supplier Concentration Risk [Member] | Accounts Payable [Member] | One Vendor [Member]          
Concentration Risk, Percentage     43.30%   30.10%