Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.0001	$ 0.0001	$ 0.0001
Number of Wholly-owned Subsidiaries	2	2
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares		5,468,223	6,413,731
Accounts Receivable, Allowance for Credit Loss	$ 386	$ 386	$ 205
Inventory Valuation Reserves	$ 465	$ 465	0
Property, Plant and Equipment, Useful Life	3 years	3 years
Impairment of Intangible Assets (Excluding Goodwill)	$ 700	$ 700	0
Advertising Expense		925	426
Marketing Expense		225	688
Cost of Revenue		3,227	4,315
Revenue from Contract with Customer, Including Assessed Tax		5,337	7,481
Standard Product Warranty Accrual	$ 72	72	125
Income Tax Expense (Benefit)		0	0
Shipping and Handling [Member]
Cost of Revenue		200	296
Revenue from Contract with Customer, Including Assessed Tax		$ 37	$ 109
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Asset, Useful Life	6 years	6 years
Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	7 years	7 years
Trademarks and Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	8 years	8 years