Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

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

	Year ended December 31,
	2025			2024
Current:
Federal	$	12		$	-
State		48			50
Foreign	34				610
	94				660
Deferred:
Federal	(1,802		)		1,313
State	(248		)		58
Foreign	(491		)		(139	)
	(2,541		)		1,232
Total income tax (benefit) provision	$	(2,447	)	$	1,892

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

	December 31,
	2025			2024
Deferred tax assets:
Net operating loss carryforwards	$	4,809		$	5,817
Research and development	5,448				4,894
Tax credit carryforwards	3,448				3,180
Inventory reserves	2,991				2,859
Intangible assets	610				1,678
Lease Liability	728				905
Accrued expenses and other	1,318				1,542
Total deferred tax assets	19,352				20,875
Valuation allowance for deferred tax assets	(2,530		)		(2,404	)
Net deferred tax assets	16,822				18,471
Deferred tax liabilities:
Intangible assets	(5,619		)		(9,480	)
Property, plant and equipment	(980		)		(1,113	)
Right of use asset	(729		)		(908	)
Total deferred tax liabilities	(7,328		)		(11,501	)
Net deferred tax assets	$	9,494		$	6,970

Schedule of Net Deferred Tax Liabilities [Table Text Block]

	December 31,
	2025			2024
Deferred tax assets, net	$	10,494		$	8,413
Deferred tax liabilities	(1,000		)		(1,443	)
	$	9,494		$	6,970

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

	Year ended December 31,
	2025			2024
United States	$	(5,863	)	$	7,044
Foreign	(2,535		)		1,257
	$	(8,398	)	$	8,301

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

	Year ended December 31, 2025
Federal statutory income tax rate	$	(1,763	)	21.0	%
State and local income taxes, net of federal income tax effect (a)		(204	)	2.4
Nontaxable or nondeductible items:
Equity compensation		136		(1.6	)
Nontaxable refund credit		(296	)	3.5
Other		14		(0.2	)
Other reconciling items		(127	)	1.5
Tax credits:
R&D		(267	)	3.2
Cross-border tax laws:		(20	)	0.2
Foreign tax effects:
China
R&D deduction		(103	)	1.2
Other		(8	)	0.1
Hong Kong
Tax rate differential		131		(1.5	)
Canada
Tax rate differential		164		(2.0	)
Provincial taxes		(303	)	3.6
Change in functional currency		170		(2.0	)
Other		20		(0.2	)
Other foreign jurisdictions		9		(0.1	)
Effective income tax rate	$	(2,447	)	29.1	%

	Year ended December 31,
	2024
Statutory income tax rate		21.0	%
Increase (decrease) in tax provision resulting from:
Equity compensation		0.5
Global intangible low-taxed income		0.7
China R&D deduction		(1.1	)
Income tax credits		(3.6	)
Tax rate changes		(0.1	)
Foreign exchange loss		0.8
Foreign tax rates		2.3
States taxes		1.1
Transaction costs		0.7
Other		0.5
Effective income tax rate		22.8	%

Schedule of Income Taxes Paid [Table Text Block]

	Year ended December 31,
	2025
Federal	$	34
State		49
Foreign:
Canada		126
China		-
United Kingdom		(91	)
India		29
Total foreign		64
Total income taxes paid, net of refunds	$	147