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Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block]

		December 31,				December 31,
		2024				2023
Cash and cash equivalents		$	430			$	3,130
Restricted cash included in other assets			477				476
Cash and cash equivalents, discontinued operations			-				(206	)
Total cash, cash equivalents, and restricted cash in the consolidated statements of cash flows		$	907			$	3,400

Disaggregation of Revenue [Table Text Block]

		For the Years Ended December 31,
		2024				2023
Avenova Spray		$	8,673			$	7,805
NeutroPhase			-				1,377
Other products			1,074				1,273
Total product revenue, net			9,747				10,455
Other revenue, net			34				-
Total sales, net		$	9,781			$	10,455

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

		December 31,				December 31,
Major distribution partner		2024				2023
Major U.S. Retailer A		$	194			$	148
Avenova Spray Pharmacy Distributor A			46				*
Avenova Spray Pharmacy Distributor B			39				93
Avenova Spray Pharmacy Distributor C			39				*
Chongqing Pioneer Pharma Holdings Limited			*				243

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

		As of December 31,
		2024				2023
Common stock equivalent of Series B Non-Voting Convertible Preferred Stock (the “Series B Preferred Stock”)			15,065				640,800
Common stock equivalent of Series C Non-Voting Convertible Preferred Stock (the “Series C Preferred Stock”)			-				125,371
Stock options			6,859				3,568
Stock warrants			10,836,275				210,927
			10,858,199				980,666

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