Note 14 - Product Warranty (Tables)

12 Months Ended

Dec. 31, 2013

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

	2013			2012
Balance at beginning of period	$	50		$	50
Provisions		170			49
Warranty services provided		(102	)		(49	)
	$	118		$	50