Note 3 - Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	March 31, 2014		December 31, 2013
Finished products	$	387,162	$	373,281
Work-in-process		845,776		817,456
Raw materials		1,698,543		1,548,076
Net Inventories	$	2,931,481	$	2,738,813