Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2014

Schedule of changes in stockholders' equity

						Accumulated									Total
						Other									Stockholders’
	Common Stock			Additional Paid-		Comprehensive		Treasury Stock				Accumulated			(Deficit)
	Shares	Amount		in-Capital		Income		Shares	Amount			Deficit			Equity
December 31, 2013	106,356,558	$	1,063,566	$	831,155,925	$	897,807	165,906	$	(1,552,382	)	$	(849,437,066	)	$	(17,872,150	)

Net loss attributable to the Company	—	—		—		—		—	—			(81,331,176		)	(81,331,176		)
Stock based compensation	106,813	1,069		2,366,182		—		—	—			—			2,367,251
Public offerings, common stock, net (1)	36,502,440	365,024		153,584,354		—		—	—			—			153,949,378
Exercise of warrants (2)	23,918,429	239,184		101,886,304		—		86,391	(340,381		)	—			101,785,107
Stock dividend	25,348	253		129,595		—		—	—			(129,848		)	—
Shares issued for acquisition	530,504	5,305		3,994,695		—		—	—			—			4,000,000
Conversion of preferred stock	5,521,676	55,217		1,163,143		—		—	—			—			1,218,360
Stock option exercises	518,845	5,188		400,613		—		109,930	(678,863		)	—			(273,062		)
September 30, 2014	173,480,613	$	1,734,806	$	1,094,680,811	$	897,807	362,227	$	(2,571,626	)	$	(930,898,090	)	$	163,843,708

(1) As a result of the January, March and April 2014 public offerings discussed further below, the Company received net proceeds of $165,722,618 of which $11,773,240 in value was ascribed to the warrants issued in the January 2014 public offering. The associated warrants have been separately valued and classified as a liability on the accompanying consolidated balance sheet.

(2) Pursuant to the exercise of warrants, additional paid-in capital was increased by $18,102,213 from the issuance of 23,832,038 shares of common stock. Additionally, paid-in capital was increased by $83,444,573 and warrant liability was reduced by $83,444,573 (the fair value of the warrants on the exercise date).