Note 10 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

($ in thousands)	Year Ended December 31,
Current	2021		2020
Federal	$	—		—
State		—		—
Foreign		10		7
Deferred
Federal		—		—
State		—		—
Foreign		—		—
	$	10	$	7

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

($ in thousands)	2021			2020
Deferred tax assets:
Net operating loss carryforwards	$	25,643		$	23,327
Stock based compensation		43			1,626
Reserves , loans and accrued expense		313			421
Gross deferred tax assets		25,999			25,374
Valuation allowance		26,040			(25,193	)
Gross deferred tax assets after valuation allowance		41			181
Deferred tax liability - Intangible and fixed assets		(41	)		(181	)
Net deferred tax liabilities	$	—			—

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

	2021			2020
Amounts computed at statutory rates	$	1,949		$	(1,415	)
State income tax, net of federal benefit		(584	)		(551	)
Expiration of net operating loss carryforwards		(277	)		620
Equity compensation		1,482			170
Non-deductible interest		(3,884	)		(581	)
Foreign tax rate differential		173			215
Deferred tax adjustments and other		287			(1	)
Net change in valuation allowance on deferred tax assets		864			1,550
	$	10		$	7