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Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

		December 31,				December 31,
		2022				2021
Cash and cash equivalents		$	5,362			$	7,504
Restricted cash included in other assets			484				475
Total cash, cash equivalents, and restricted cash in the consolidated statements of cash flows		$	5,846			$	7,979

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

		For the Years Ended December 31,
		2022				2021
Avenova Spray		$	7,651			$	8,565
DERMAdoctor			4,155				649
NeutroPhase			976				368
Other products			1,592				598
Total product revenue, net			14,374				10,180
Other revenue, net			30				24
Total sales, net		$	14,404			$	10,204

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

		December 31,				December 31,
Major distribution partner		2022				2021
Avenova Spray Pharmacy Distributor A			30	%			11	%
Major U.S. Retailer A			15	%			*	%
Avenova Spray Pharmacy Distributor B			11	%			*	%
Major U.S. Retailer B			*	%			33	%
Avenova Spray Pharmacy Distributor C			*	%			13	%

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

		For the Year Ended December 31, 2021
		As Previously Reported				Selling Commissions				Fulfillment Fees				As Revised
Sales
Product revenue, net		$	8,397			$	870			$	913			$	10,180
Cost of goods sold
Cost of goods sold			2,776				-				913				3,689
Operating expenses
Sales and marketing			7,223				870				-				8,093
Net loss			(5,824	)			-				-				(5,824	)
Net loss per share attributable to common stockholders (basic and diluted)			(5.26	)			-				-				(5.26	)

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		For the Years Ended December 31,
		2022				2021
Numerator
Net loss		$	(10,608	)		$	(5,824	)
Less: Preferred deemed dividend			—				735
Less: Retained earnings reduction related to preferred stock down round feature triggered			5,657				—
Net loss attributable to common stockholders, basic and diluted		$	(16,265	)		$	(6,559	)
Denominator
Weighted average shares of common stock outstanding, basic and diluted			1,610				1,247
Net loss per share attributable to common stockholders, basic and diluted		$	(10.10	)		$	(5.26	)

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

		For the Years Ended December 31,
		2022				2021
Stock options			132				127
Stock warrants			2,306				202
			2,438				329

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