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Note 2 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

		March 31,				December 31,
		2022				2021
Cash and cash equivalents		$	5,641			$	7,504
Restricted cash included in other assets			152				475
Total cash, cash equivalents, and restricted cash in the condensed consolidated statements of cash flows		$	5,793			$	7,979

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

		Three Months Ended March 31,
		2022				2021
Avenova Spray		$	1,426			$	1,575
DERMAdoctor			891				—
NeutroPhase			148				—
Other products			158				226
Total product revenue, net			2,623				1,801
Other revenue, net			6				6
Total sales, net		$	2,629			$	1,807

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

		March 31,				December 31,
Major distribution partner		2022				2021
Major U.S. Retailer			35	%			33	%
Avenova Spray Pharmacy Distributor B			14	%			11	%
Avenova Spray Pharmacy Distributor A			13	%			13	%

Schedule of Intangible Assets and Goodwill [Table Text Block]

Intangible Asset		Fair Value (in thousands)				Useful Life (in years)			Amortization Method
Customer relationships		$	290				7		Straight line
Trade secrets / product formulations			2,890				9		Straight line
Trade names			2,080			Indefinite			N/A
Goodwill			4,528			Indefinite			N/A
		$	9,788

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

		Three Months Ended March 31,
Numerator		2022				2021
Net loss		$	(111	)		$	(1,518	)
Denominator
Weighted average shares of common stock outstanding, basic and diluted			50,088				41,782
Net loss per share attributable to common stockholders, basic and diluted		$	0.00			$	(0.04	)

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

		Three Months Ended March 31,
		2022				2021
Stock options			4,416				3,138
Stock warrants			44,582				7,082
			48,998				10,220

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