Note 10 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	2021			2020
United States	$	(5,911	)	$	(7,089	)
International		252			279
Total loss before income tax provision	$	(5,659	)	$	(6,810	)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	2021			2020
	(in thousands)
Current:
Federal	$	—		$	—
State		—			10
Foreign		—			—
		—			10
Deferred:
Federal		1,216			(562	)
State		315			(159	)
Foreign		—			—
		1,531			(721	)
Change in federal tax rate		—			—
Valuation allowance		(1,531	)		721
Total income tax expense (benefit)	$	—		$	10

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2021			2020
Tax provision at U.S. federal statutory rates		21.0	%		21.0	%
State income taxes net of federal benefit		(5.5	)		2.1
Deferred tax asset adjustments – NOL related		0.0			0.0
Non-deductible permanent items		(1.1	)		(1.1	)
Stock options		(4.3	)		(28.0	)
PPP Debt Forgiveness		4.9			0.0
Change in valuation allowance		(15.2	)		5.8
Effective income tax rate		(0.2	)%		(0.2	)%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2021			2020
	(in thousands)
Deferred tax assets:
Allowance for doubtful accounts	$	26		$	103
Accrued liabilities		357			412
Net operating loss carryforwards		26,478			24,798
Intangible assets		3,883			4,259
Share-based compensation expense		365			228
Other		1,418			1,370
Total gross deferred tax assets		32,527			31,181
Valuation allowance		(31,979	)		(30,447	)
Total deferred tax assets		548			734
Deferred tax liabilities:
Right of use assets		(509	)		(733	)
Fixed assets		(39	)		—
Other		—			(1	)
Total gross deferred tax liabilities		(548	)		(734	)
Net deferred tax assets	$	—		$	—

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	2021		2020
	(in thousands)
Balance at January 1,	$	189	$	464
Reductions based on tax positions related to prior years and settlements		-		(275	)
Balance at December 31,	$	189	$	189

Domestic Tax Authority [Member]

Notes Tables

Summary of Operating Loss Carryforwards [Table Text Block]

2025	$	4.2
2026		25.5
2027		15.5
2028		5.2
2029		7.7
2030		10.6
2031		1.3
2032		—
2033		0.1
2034		2.5
2035		1.5
Do not expire		36.7
	$	110.7

2028	$	2.6
2029		5.8
2030		11.0
2034		1.4
2035		0.8
2038		2.3
2039		2.2
2040		0.6
		0.8
California NOLs		27.6
Other State NOLs		28.1
Total State NOLs	$	55.7