Note 3 - Inventories (Tables)

6 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30, 2014		December 31, 2013
Finished products	$	428,066	$	373,281
Work-in-process		859,839		817,456
Raw materials		2,065,125		1,548,076
Net Inventories	$	3,353,030	$	2,738,813