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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands				12 Months Ended
	Oct. 30, 2025 USD ($)	Jan. 25, 2024 USD ($) shares	Nov. 22, 2022 USD ($)	Dec. 31, 2025 USD ($) shares	Dec. 31, 2024 USD ($)	Oct. 30, 2024 USD ($)
Number of Financial Institutions				1
Cash, Uninsured Amount				$ 22,288
Treasury Stock, Shares, Acquired (in shares) \| shares		52,000		19,135
Treasury Stock, Value, Acquired, Cost Method		$ 650		$ 1,248	$ 651
Operating Income (Loss)				15,987	7,828
Advertising Expense				$ 621	$ 496
Product Warranty Obligation, Term (Year)				2 years	5 years
Fifth Third Credit Agreement [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Expiration Period (Year)	3 years
Line of Credit Facility, Maximum Borrowing Capacity	$ 14,000					$ 6,000
Line of Credit Facility, Increase in Maximum Borrowing Amount	$ 8,000
Short-Term Debt				$ 0
Alterna Capital Solutions, LLC [Member] \| Invoice Purchase and Security Agreement [Member]
Line of Credit Facility, Expiration Period (Year)			1 year
Line of Credit Facility, Maximum Borrowing Capacity			$ 15,000
FG Holdings LLC. [Member]
Realized Investment Gains (Losses)		$ (91)
Supplier Concentration Risk [Member] \| Cost of Goods and Service Benchmark [Member] \| Non-US [Member]
Concentration Risk, Percentage				15.20%	17.00%
Number of Major Suppliers				3	7
Supplier Concentration Risk [Member] \| Cost of Goods and Service Benchmark [Member] \| Non-US [Member] \| Three Suppliers [Member]
Concentration Risk, Percentage				64.40%
Supplier Concentration Risk [Member] \| Cost of Goods and Service Benchmark [Member] \| Non-US [Member] \| Seven Suppliers [Member]
Concentration Risk, Percentage					79.90%
United States Government Agencies [Member]
Accounts Receivable, after Allowance for Credit Loss				$ 4,154	$ 600
Minimum [Member]
Product Warranty Obligation, Term (Year)				2 years
Minimum [Member] \| Fifth Third Credit Agreement [Member] \| Revolving Credit Facility [Member]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Maximum [Member]
Product Warranty Obligation, Term (Year)				5 years
Maximum [Member] \| Fifth Third Credit Agreement [Member] \| Revolving Credit Facility [Member]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Machinery and Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)				3 years
Machinery and Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)				10 years
Leasehold Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)				5 years
Leasehold Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)				8 years