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STOCKHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2013

Year from November 1, 2012 to October 31, 2013	$	10.12
Year from November 1, 2013 to October 31, 2014	$	10.06
November 1, 2014 and thereafter	$	10.00

Schedule of conversion of convertible preferred stock

		Six months ended June 30, 2013
Preferred shares exchanged		792,460
Shares of common stock issued:
At stated conversion terms		48,174
Incremental shares issued under the exchange transaction		1,465,479
Total shares of common stock issued		1,513,653

Schedule of warrants outstanding

Issued in Connection With	Expiration Date	Common Shares Issuable	Weighted Average Exercise Price
February 2007 stock issuance	2014	151,773	$	59.08
July 2009 Series II stock issuance	2014	98,893	$	7.00
January 2010 stock issuance	2015	101,785	$	22.82
January 2010 stock issuance	2015	100,714	$	19.95
October 2010 stock issuance	2015	594,513	$	13.44
July 2011 stock issuance	2016	544,117	$	9.52
Total		1,591,795	$	17.06

- Definition

Tabular disclosure of information related to converting stock into another financial instrument(s) in a noncash (or part noncash) transaction.

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- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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