Note 8 - Long-term Debt (Details Textual) - Woodforest National Bank [Member] - USD ($) $ in Thousands	Dec. 31, 2024	Jul. 26, 2023	Sep. 30, 2024
Line of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 15,000
Line of Credit Facility, Borrowing Base as Percent of Certain Accounts Receivable		80.00%
Line of Credit Facility, Borrowing Base As Percent of Eligible Foreign Insured Accounts		90.00%
Line of Credit Facility, Borrowing Base as Percent of Eligible Inventory		25.00%
Line of Credit Facility, Borrowing Base as Percent of Forced Liquidation Value of Certain Inventory		50.00%
Debt Instrument, Basis Spread on Variable Rate	7.75%	3.25%
Debt Instrument, Covenant, Minimum Consolidated Tangible Net Worth		$ 100,000
Debt Instrument, Covenant, Minimum Liquidity		$ 5,000
Long-Term Line of Credit	$ 0		$ 0
Line of Credit [Member] | Minimum [Member]
Current Ratio		2
Interest Coverage Ratio		1.5
Letter of Credit [Member]
Line of Credit Facility, Current Borrowing Capacity	12,100
Long-Term Line of Credit	$ 100