Common Stock, Preferred Stock and Stockholders' Deficit (Tables)

6 Months Ended

Jun. 30, 2013

Common Stock, Preferred Stock and Stockholders' Deficit

Schedule of the common stock

	Authorized	Outstanding
	as of	as of
Series	December 31, 2012	December 31, 2012
Common stock	50,000,000	6,674,905
Series II	2,333,333	1,047,357
Total	52,333,333	7,722,262

	Authorized	Outstanding
	as of	as of
	June 30, 2013	June 30, 2013
	(unaudited)	(unaudited)
Common stock	100,000,000	6,738,589
Series II	2,333,333	1,052,464
Total	102,333,333	7,791,053

Schedule of preferred stock

Series	Issued	Authorized	Issued and Outstanding	Original Issue Price		Liquidation Preference		Carrying Value as of December 31, 2012		Carrying Value as of June 30, 2013
										(unaudited)
Series A	September 2006	6,861,975	6,826,451	$	1.2669	$	8,648	$	8,402	$	8,435
Series B	December 2007	3,500,732	3,500,729	$	3.1422	$	11,000	$	10,949	$	10,956
Series B-1	May 2008	548,032	514,102	$	4.8629	$	2,500	$	2,479	$	2,482
Series C	February and	5,308,216	5,276,554	$	3.7904	$	20,000	$	19,932	$	19,941
Series D	April 2010	5,453,975	5,453,970	$	7.3341	$	40,000	$	39,931	$	39,940
Series E	December 2010	238,000	236,108	$	8.0051	$	1,890	$	1,890	$	1,890
Series 1	December 2010	979,333	947,711	$	2.4575	$	2,329	$	5,217	$	5,217
Series 2	December 2010	1,822,000	1,821,455	$	4.1387	$	7,538	$	12,404	$	12,404
Series 3	December 2010	937,333	928,054	$	5.7507	$	5,337	$	7,517	$	7,517
Series 4	December 2010	3,093,333	3,092,932	$	2.7548	$	8,520	$	17,722	$	17,722
Series F	September 2011	4,000,000	3,965,126	$	9.3314	$	37,000	$	36,023	$	36,153
		32,742,929	32,563,192					$	162,466	$	162,657

Schedule of dividends at annual rates

Series	Dividend Rate
Series A	$	0.10140
Series B	$	0.25140
Series B-1	$	0.38910
Series C	$	0.30330
Series D	$	0.58680
Series E	$	0.64035
Series 1	$	0.19665
Series 2	$	0.33105
Series 3	$	0.46005
Series 4	$	0.22035
Series F	$	0.74655