Note 10 - Debt (Details Textual) - USD ($) $ in Thousands	Oct. 30, 2024	Sep. 30, 2025
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