Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands		12 Months Ended
	Oct. 25, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Cash, Uninsured Amount		$ 2,600
Number of Operating Segments		1
Other Nonoperating Expense		$ 10	$ 8
Professional Fees		505	730
Investor Relations and SEC Fees		459	691
General Insurance Expense		533	704
Other Selling, General and Administrative Expense		$ 1,462	1,422
Financing Receivable, Number of Portfolio Segments		3
Tangible Asset Impairment Charges		$ 0
Goodwill, Impairment Loss		0	60,934
Standard Product Warranty Accrual		0	0
Revenue from Contract with Customer, Excluding Assessed Tax		420	442
Advertising Expense		170	95
Deemed Dividend on Warrant Inducement Offer	$ 5,200	5,158	800
Software Upgrade Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 0	$ 0
Customer Concentration Risk [Member] | Revenue from Contract with Customer Benchmark [Member]
Number of Major Customers		3	3
Customer Concentration Risk [Member] | Revenue from Contract with Customer Benchmark [Member] | Three Customers [Member]
Concentration Risk, Percentage		62.00%	67.00%