Note 7 - Inventories (Tables)

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	September 30, 2014		December 31, 2013
Raw materials	$	6,843,441	$	5,926,030
Work-in-process		2,325,667		2,308,233
Finished goods		4,413,348		2,762,522
Total	$	13,582,456	$	10,996,785