Note 2 - Inventories (Tables)

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	September 30,		December 31,
	2014		2013
Finished products	$	1,730,912	$	1,638,997
Work-in-process		2,645,502		1,934,493
Raw materials		4,175,076		3,897,207
	$	8,551,490	$	7,470,697