Note 10 - Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

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

	Estimated Useful Life (in months)		Gross		Accumulated Amortization			Net
As of September 30, 2014
Patent		57	$	2,700	$	(1,997	)	$	703
			$	2,700	$	(1,997	)	$	703
As of December 31, 2013
Patent		57	$	2,700	$	(1,568	)	$	1,132
			$	2,700	$	(1,568	)	$	1,132

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

	Amount
Year
2014		141
2015		562
	$	703