Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Product Warranty Liability [Table Text Block]

	Year ended December 31,
	2012			2011
Balance at the beginning of the year	$	100		$	126
Accruals for warranties issued		143			44
Settlements made during the year (in cash or in kind)		(84	)		(70	)
Balance at the end of the year	$	159		$	100