Quarterly report [Sections 13 or 15(d)]

Note 2 - Basis of Presentation and Summary of Significant Accounting Policies and Estimates (Details Textual)

v3.25.3
Note 2 - Basis of Presentation and Summary of Significant Accounting Policies and Estimates (Details Textual)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2025
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2024
Sep. 30, 2025
USD ($)
Sep. 30, 2024
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Accounts Receivable, after Allowance for Credit Loss, Current   $ 6,048   $ 6,048   $ 7,238 $ 5,645
Employee Retention Credit $ 523            
Employee Retention Credit, Offset to Expenses 454            
Interest Income (Expense), Net [Member]              
Employee Retention Credit $ 69            
Customer Concentration Risk [Member] | Accounts Receivable [Member]              
Number Of Customers       1   2  
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer A [Member]              
Concentration Risk, Percentage       29.00%   17.00%  
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer B [Member]              
Concentration Risk, Percentage           17.00%  
Customer Concentration Risk [Member] | Revenue Benchmark [Member]              
Number Of Customers   1 1 2 1    
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer A [Member]              
Concentration Risk, Percentage   41.00% 26.00% 18.00% 15.00%    
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer B [Member]              
Concentration Risk, Percentage       11.00%