Supplemental Disclosures of Cash Flows Information (Tables)

12 Months Ended

Dec. 31, 2012

Supplemental Cash Flow Elements [Abstract]

Schedule of supplemental disclosures of cash flows information and non-cash financing and investing activities

	2012		2011		2010
Stock-based compensation accrual impact, net	$	(10,687)	$	395,257	$	707,802
Change in unrealized loss/gain on available for sale securities	-		18,502		(114,300)
Cash paid for interest	255,896		12,634		471,386
Transfer of property, plant and equipment to assets held for sale	-		-		768,779
Transfer of investment in leased property to inventory	-		253,786		-
Sale - capital leaseback of property impact to inventory	3,098,921		-		-