Supplemental Disclosures of Cash Flows Information (Tables)

9 Months Ended

Sep. 30, 2012

Supplemental Cash Flow Elements [Abstract]

Schedule Of non-cash financing and investing activities

September 30, 2012			September 30, 2011
Stock-based compensation accrual impact, net	$	(115)		$	(211,614)
Change in unrealized gain on available-for-sale securities	-			18,502
Transfer of investment in leased property to inventory	-			263,239
Transfer of assets held for sale to inventory	-			1,000,000