Note 7 - Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Estimated Useful Life (in months)		Gross		Impairment Charge			Accumulated Amortization			Net
As of June 30, 2013
Patent		57	$	2,700	$	-		$	(1,282	)	$	1,418
Customer relationships		33		400		(148	)		(252	)		-
			$	3,100	$	(148	)	$	(1,534	)	$	1,418
As of December 31, 2012
Patent		57	$	2,700	$	-		$	(997	)	$	1,703
Customer relationships		33		400		(148	)		(252	)		-
			$	3,100	$	(148	)	$	(1,249	)	$	1,703

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Amount
Year
2013	$	285
2014		570
2015		563
2016		-
	$	1,418