Note 3 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

	December 31 , 201 9			December 31, 201 8
Current:
Federal (Net of a 2018 net operating loss benefit of $288)	$	—		$	—
State (Net of a 2018 and 2019 net operating loss benefit of $35 and $97, respectively)		7			3
Foreign		5			1
Provision for income taxes	$	12		$	4
Deferred:
Federal		—			—
State		(30	)		—
Deferred income tax	$	(30	)	$	—
Net income tax expense	$	(18	)	$	4

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

	Twelve Months Ended December 31,
	201 9			201 8
Statutory federal income tax benefit		21.0	%		21.0	%
State income taxes, net of federal income tax benefit		(7.9	)		6.6
Foreign income taxes, net of federal income tax benefit		(13.2	)		—
Deferred tax adjustment – NOL		42.6			—
Valuation allowance		8.2			(26.6	)
Other		0.2			(0.6	)
Effective income tax rate		50.9	%		0.4	%

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

	December 31 , 201 9			December 31, 201 8
Deferred tax assets:
Net operating loss carry forwards	$	7,734		$	7,675
Engineering credit carry forwards		1,920			1,919
Inventory reserves		503			558
Capital loss and other credit carry forwards		6			—
Allowance for bad debts and returns		13			16
Stock compensation		330			287
Capitalized inventory costs, stock compensation and other accuals		389			233
Total gross deferred tax assets		10,895			10,688
Less valuation allowance on deferred tax assets		(10,686	)		(10,688	)
Net deferred tax assets		209			—
Deferred tax liabilities:
Depreciation and other		—			—
Right to use property		(179	)		—
Total deferred tax liabilities		(179	)		—
Net deferred taxes	$	30		$	—

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

	December 31 , 201 9		December 31, 201 8
Beginning Balance	$	29	$	29
Increases related to tax positions taken in current year		—		—
Increases related to tax positions taken in prior year		—		—
Decreases due to lapse of statute of limitations		—		—
Related interest and penalties, net of federal tax benefit		—		—
Balance at December 31	$	29	$	29