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Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands			3 Months Ended			9 Months Ended
	May 30, 2024	[1]	Sep. 30, 2024 USD ($)	Mar. 31, 2024	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Number of Major Source Manufacturers						1
Accounts Receivable, Allowance for Credit Loss			$ 3			$ 3		$ 3
Inventory Valuation Reserves			126			126		264
Goodwill and Intangible Asset Impairment			0		$ 0	0	$ 0
Business Combination, Contingent Consideration, Liability			0			0		$ 0
Impairment, Long-Lived Asset, Held-for-Use			0		0	0	0
Payment for Product Supply Period				60 days
Advertising Expense			$ 100		$ 300	$ 500	$ 800
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	35		35
Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life			5 years			5 years
Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life			7 years			7 years
Computer Equipment and Software [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life			3 years			3 years
Computer Equipment and Software [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life			5 years			5 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life			5 years			5 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life			7 years			7 years
Revenue from Contract with Customer Benchmark [Member] | Distributor Concentration Risk [Member] | Avenova Spray [Member]
Concentration Risk, Percentage			73.00%		66.00%	74.00%	68.00%
[1] After giving retroactive effect to the 1-for-35 Reverse Stock Split that became effective May 30, 2024.

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