Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Stockholders Equity Note [Abstract]

Schedule of changes in stockholder's equity

	Accumulated
									Other									Total
			Common Stock			Additional Paid-			Comprehensive		Treasury Stock					Accumulated		Stockholders'
	Shares			Amount			in-Capital		Income (Loss)		Shares	Amount			Deficit			Equity
December 31, 2012		38,404,764		$	384,048		$	801,840,491	$	1,004,412	165,906		$	(1,552,382)		$	(786,646,266)	$	15,030,303
Net loss			-	-			-		-		-		-			(8,576,379)		(8,576,379)
Other comprehensive loss			-	-			-		(38,655)		-		-			-		(38,655)
Stock based compensation		790,233		7,902			505,820		-		-		-			-		513,722
Public Offering, common stock, net		21,711,800		217,118			(354,586)		-		-		-			-		(137,468)
Exercise of warrants (1)		2,900,000		29,000			889,512		-		-		-			-		918,512
March 31, 2013		63,806,797		$	638,068		$	802,881,237	$	965,757	165,906		$	(1,552,382)		$	(795,222,645)	$	7,710,035

(1)     Pursuant to the exercise of the warrants, additional paid-in capital was increased by $406,000 from the issuance of 2,900,000 shares of common stock. Additionally, paid-in capital was increased by $483,512 and warrant liability was  reduced by $483,512, the fair value of the warrants on the exercise date.