Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2013

Schedule of Computation of Diluted Net Loss Per Share Attributable to Common Stockholders

The Company’s potential common stock equivalents that have been excluded from the computation of diluted net loss per share attributable to common stockholders for all periods presented because of their antidilutive effect consist of the following:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2013		2012		2013		2012
Convertible preferred stock		60,602,653		60,602,653		60,602,653		60,602,653
Outstanding stock options		3,189,660		1,209,200		3,189,660		1,209,200
Notes and interest payable to related parties⁽¹⁾	$	18,504,000	$	—	$	18,504,000	$	—
Stock purchase warrants		6,388,431		2,297,529		6,388,431		2,297,529
Unvested restricted common stock awards		317,900		—		317,900		—

(1)	The 2012 Notes and accrued interest thereon are convertible into capital stock at the option of the holders according to the terms of the 2012 Note and Warrant Agreement. See Note 5.