Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2012

Stockholders Equity Note [Abstract]

Schedule of changes in stockholder's equity

	Common Stock									Treasury Stock
								Accumulated
								Other							Total
						Additional Paid-in-		Comprehensive					Accumulated		Stockholders'
	Shares			Amount		Capital		Income (Loss)		Shares	Amount		Deficit		Equity
December 31, 2011		22,924,411		$	229,244	$	784,213,871	$	928,744	165,906	$	(1,552,382)	$	(754,783,812)	$	29,035,665
Net loss			-	-		-		-		-	-		(13,062,656)		(13,062,656)
Foreign currency translation gain			-	-		-		(4,040)		-	-		-		(4,040)
Stock based compensation		176,451		1,765		1,004,625		-		-	-		-		1,006,390
Public offering common stock, net		14,950,000		149,500		15,644,525		-		-	-		-		15,794,025
June 30, 2012		38,050,862		$	380,509	$	800,863,021	$	924,704	165,906	$	(1,552,382)	$	(767,846,468)	$	32,769,384