Note 12 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	2022		2021
Current income taxes
Federal	$	-	$	-
State		-		-
Foreign		239		232
Deferred income taxes
Federal		-		-
State		-		-
Foreign		79		(7	)
Total income tax expense	$	318	$	225

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

	2022			2021
United States	$	(44,802	)	$	(32,094	)
Foreign		(30,441	)		(30,143	)
Total loss from operations before taxes	$	(75,243	)	$	(62,237	)

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

	2022			2021
Deferred Tax assets:
Stock-based compensation	$	2,840		$	2,440
Accrued expenses and other		2,538			2,423
Research credit carryforward		1,341			564
Fixed Assets		162			101
Capitalized start-up costs and other intangibles		921			1,109
Capitalized research costs		4,382			-
Net operating loss carryforwards		83,908			75,237
		96,092			81,874
Valuation Allowance		(94,704	)		(78,294	)
Net deferred tax asset		1,388			3,580
Deferred tax liabilities
Fixed assets and other		(1,214	)		(1,176	)
Purchase accounting intangibles		-			(2,116	)
Net deferred tax liability		(1,214	)		(3,292	)
Net deferred tax asset (liability)	$	174		$	288

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

	2022		2021
Beginning balance	$	141	$	-
Gross increases for tax positions related to current periods		194		141
Gross decreases related to 382 limitations		-		-
Ending balance	$	335	$	141

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

	2022						2021
	Amount			Percent of Pretax Earnings			Amount			Percent of Pretax Earnings
United States federal tax at statutory rate	$	(15,801	)		21.0	%	$	(13,070	)		21.0	%
State taxes (net of deferred benefit)		(2,912	)		3.9	%		(2,205	)		3.5	%
Nondeductible expenses		1,077			(1.4%	)		(440	)		0.7	%
Change in fair market value of contingent consideration		(283	)		0.4	%		(397	)		0.6	%
Warrant remeasurment and financing costs		-			-			502			(0.8%	)
Research & Development		(970	)		1.3	%		(705	)		1.1	%
Change in unrecognized tax benefits		194			(0.3%	)		141			(0.2%	)
Foreign tax rate differential		2,676			(3.6%	)		1,911			(3.1%	)
True-up to Stock Compensation - Cancellations		49			(0.1%	)		2,832			(4.6%	)
Change in enacted tax rates and other, net		(96	)		0.2	%		731			(1.0%	)
Change in valuation allowance		16,384			(21.8%	)		10,925			(17.6%	)
Income tax expense (benefit)	$	318			(0.4%	)	$	225			(0.4%	)