Quarterly report [Sections 13 or 15(d)]

Note 13 - Major Customers and Vendors (Details Textual)

v3.26.3
Note 13 - Major Customers and Vendors (Details Textual)
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Supplier Concentration Risk [Member] | Cost of Goods and Service Benchmark [Member]            
Number of Major Vendors 0 1 0   0  
Supplier Concentration Risk [Member] | Cost of Goods and Service Benchmark [Member] | Vendor One [Member]            
Concentration Risk, Percentage   13.00%        
Customer Concentration Risk [Member] | Revenue Benchmark [Member]            
Number of Major Customers 3 3   3 3  
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer One [Member]            
Concentration Risk, Percentage 20.00% 22.00%   19.00% 24.00%  
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer Two [Member]            
Concentration Risk, Percentage 13.00% 14.00%   13.00% 13.00%  
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer Three [Member]            
Concentration Risk, Percentage 13.00% 2.00%   17.00% 9.00%  
Customer Concentration Risk [Member] | Accounts Receivable [Member]            
Number of Major Customers       3   3
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer One [Member]            
Concentration Risk, Percentage       23.00%   15.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer Two [Member]            
Concentration Risk, Percentage       4.00%   8.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer Three [Member]            
Concentration Risk, Percentage       2.00%   1.00%