Note 11 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

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

	Year Ended December 31,
	2013			2012
Income (loss) before income taxes:
United States	$	3,194		$	(8,288	)
Foreign		305			(99	)
	$	3,499			(8,387	)
Current income tax benefit from operations:
Federal	$	--		$	--
Foreign		--			--
State		--			--
	$	--		$	--
Deferred income tax benefit/(provision) from operations:
Federal	$	1,380			2,444
Foreign		(142	)		(104	)
State		172			(1,437	)
		1,410			903
Change in valuation allowance		(1,410	)		(903	)
Total provision for income taxes	$	—		$	—

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

	2013			2012
Net federal and state operating loss carryforwards	$	22,939		$	24,689
Net foreign operating loss carryforwards		523			380
Accrued expenses and reserves		(2	)		--
Tax credits		1,212			1,194
Other		476			295
Total deferred tax assets		25,148			26,558
Valuation allowance		(25,148	)		(26,558	)
Net deferred tax assets	$	-		$	-

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

	2013			2012
Tax provision (benefit) at federal statutory rate		1,061		$	(2,818	)
State income taxes, net of U.S. federal income tax provision (benefit)		4			(11	)
Permanent differences		46			17
Other		299			1,909
Change in valuation allowance		(1,410	)		(903	)
Total expense	$	--		$	--