Note 5 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Table Text Block]

	Year ended December 31,
	2013		2012		2011
United States tax provision	$	16	$	7	$	7
Foreign tax provision		30		5		210
Total income tax provision	$	46	$	12	$	217

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

	Year ended December 31,
	2013			2012
Current deferred tax assets:
Inventories	$	325		$	283
Trade accounts receivable		6			6
Deferred revenue		325			130
Other accruals		605			432
Total current deferred tax assets	$	1,261		$	851
Noncurrent deferred tax assets:
Depreciation	$	239		$	295
Other		377			397
Net operating loss carryforwards		16,323			15,872
Total noncurrent deferred tax assets	$	16,939		$	16,564
Valuation allowance for deferred tax assets		(18,200	)		(17,415	)
Deferred tax assets, net of valuation allowance	$	-		$	-

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

	Year ended December 31,
	2013			2012			2011
Income tax benefit at statutory rate	$	(903	)	$	(1,283	)	$	(98	)
State provision		4			2			15
French permanent items		117			(84	)		81
Foreign income inclusion		(7	)		(5	)		100
Adjustment to deferred tax assets		40			(66	)		(38	)
Other		10			(11	)		(2	)
Change in valuation allowance		785			1,459			159
Income tax provision	$	46		$	12		$	217

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

	Unrecognized
	Tax Benefit
Balance as of January 1, 2012	$	784
Additions based on tax positions - previous years		22
Effect of exchange rate changes		14
Balance as of December 31, 2012		820
Additions based on tax positions - previous years		32
Effect of exchange rate changes		33
Balance as of December 31, 2013	$	885