Note 13 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

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

	Years Ended December 31,
	2012		2011
Domestic	$	2,580	$	6,722
Foreign		473		937
	$	3,053	$	7,659

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

	Years Ended December 31,
	2012			2011
Current
Domestic -- Federal	$	362		$	148
Domestic -- state		62			133
Foreign		30			(20	)
		454			261
Deferred
Domestic -- Federal		396			(1,676	)
Domestic -- state		(126	)		(193	)
Foreign		173			(596	)
		443			(2,465	)
Income tax expense (benefit)	$	897		$	(2,204	)

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

	December 31,
Deferred tax assets:	2012			2011
Net operating loss ("NOL") (state and foreign)	$	1,182		$	1,159
Depreciation of property and equipment		793			815
Tax credit carryforwards (foreign, research and AMT)		440			963
Accrued vacation pay and stock-based compensation		182			162
Inventories		177			209
Intangibles		86			35
Allowance for doubtful accounts		56			56
Acquisition costs		39			-
Accrued warranty		22			25
Other		68			6
		3,045			3,430
Valuation allowance		(573	)		(484	)
Deferred tax assets		2,472			2,946
Deferred tax liabilities:
Net intangible assets		(307	)		(358	)
Unremitted earnings of foreign subsidiaries		(127	)		(107	)
Deferred tax liabilities		(434	)		(465	)
Net deferred tax asset	$	2,038		$	2,481

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

	Years Ended December 31,
	2012			2011
Expected income tax provision at U.S. statutory rate	$	1,038		$	2,604
Increase (decrease) in tax from:
Current year tax credits (foreign and research)		(523	)		(349	)
Foreign income tax rate differences		(36	)		94
Changes in valuation allowance		89			(3,110	)
Deemed dividend from foreign subsidiaries		212			90
Domestic tax expense, net of Federal benefit		72			260
Nondeductible expenses		20			48
Effects of NOL carryforwards		103			(1,803	)
Other		(78	)		(38	)
Income tax expense (benefit)	$	897		$	(2,204	)