v3.25.1
Note 12 - Debt (Details Textual)
$ in Thousands
Oct. 30, 2024
USD ($)
Sep. 25, 2019
USD ($)
Mar. 31, 2025
USD ($)
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Secured Overnight Financing Rate (SOFR) [Member]    
Fifth Third Credit Agreement [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility, Expiration Period (Year) 1 year    
Line of Credit Facility, Maximum Borrowing Capacity $ 6,000    
Line of Credit Facility, Maximum Borrowing Capacity, Accordion Feature 4,000    
Line of Credit Facility, Maximum Borrowing Capacity, Including Accordion Feature, Total $ 10,000    
Debt Instrument, Basis Spread on Variable Rate 2.50%    
Debt Instrument, Borrowing Base, Percentage of Eligible Commercial Accounts Receivable 80.00%    
Debt Instrument, Borrowing Base, Percentage of Federal Government Accounts Receivable 50.00%    
Debt Instrument, Borrowing Base, Percentage of Eligible Finished Goods Inventory 50.00%    
Short-Term Debt     $ 0
Debt Instrument, Covenant, Total Funded Debt Ratio 2    
Debt Instrument, Covenant, Fixed Charge Ratio 1.2    
U.S. Bank Equipment Finance [Member] | Notes Payable to Banks [Member]      
Debt Instrument, Face Amount   $ 425  
Debt Instrument, Number of Payments for Principal and Interest   60  
Debt Instrument, Periodic Payment   $ 8  
Debt Instrument, Interest Rate, Stated Percentage   5.11%