CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) (USD $) In Thousands, except Share data	Total	Preferred Stock	Preferred Stock Series A Preferred Stock	Preferred Stock Series A Preferred Conversion	Common Stock	Additional Paid-in Capital	Deficit Accumulated During Development Stage
Beginning Balance at Sep. 14, 2005	$ 0	$ 0			$ 0	$ 0	$ 0
Capital contributed	1	0			0	1	0
Net loss	(76)	0			0	0	(76)
Ending Balance at Dec. 31, 2005	(75)	0			0	1	(76)
Ending Balance, Share at Dec. 31, 2005	0
Capital contributed	1,504	0			11	1,493	0
Capital contributed, Shares					11,256
Net loss	(1,060)	0			0	0	(1,060)
Ending Balance at Dec. 31, 2006	369	0			11	1,494	(1,136)
Ending Balance, Share at Dec. 31, 2006					11,256
Capital contributed	5,093	0			5	5,088	0
Capital contributed, Shares					4,837
Net loss	(3,041)	0			0	0	(3,041)
Ending Balance at Dec. 31, 2007	2,421	0			16	6,582	(4,177)
Ending Balance, Share at Dec. 31, 2007					16,093
Issuance of common shares in private offering	3,988	0			2	3,986	0
Issuance of common shares in private offering,Shares					1,862
Issuance of common shares as repayment of stockholder note	10				0	10	0
Issuance of common shares as repayment of stockholder note, Shares					8
Stock-based compensation	239	0			0	239	0
Net loss	(5,185)	0			0	0	(5,185)
Ending Balance at Dec. 31, 2008	1,473	0			18	10,817	(9,362)
Ending Balance, Share at Dec. 31, 2008					17,963
Issuance of Series A Preferred Stock	1,982		20		0	1,962	0
Issuance of Series A Preferred Stock,Shares			2,000
Fair value of beneficial conversion feature of Series A Preferred Stock	200	0			0	200	0
Deemed dividend to Series A Preferred Stockholders, charged to additional paid-in capital in the absence of retained earnings	(200)	0			0	(200)	0
Stock-based compensation	195	0			0	195	0
Net loss	(2,366)	0			0	0	(2,366)
Ending Balance at Dec. 31, 2009	1,284	20			18	12,974	(11,728)
Ending Balance, Share at Dec. 31, 2009		2,000			17,963
Issuance of Series A Preferred Stock	1,998		20		0	1,978	0
Issuance of Series A Preferred Stock,Shares			2,000
Fair value of beneficial conversion feature of Series A Preferred Stock	500	0			0	500	0
Deemed dividend to Series A Preferred Stockholders, charged to additional paid-in capital in the absence of retained earnings	(500)	0			0	(500)	0
Issuance of common shares in private offering	4,974	0			5	4,969	0
Issuance of common shares in private offering,Shares					4,978
Conversion of shares of Series A Preferred Stock and accumulated dividends into shares of Common Stock	0			(40)	4	36	0
Conversion of shares of Series A Preferred Stock and accumulated dividends into shares of Common Stock, shares				(4,000)	4,366
Issuance of shares of Common Stock as Consideration Shares	0	0			1	(1)	0
Issuance of shares of Common Stock as Consideration Shares, Shares					697
Intrinsic value of aggregate shares of Common Stock issued on conversion of Series A Preferred Stock	4,301	0			0	4,301	0
Dividend paid to Series A Preferred Stockholders on conversion, charged to additional paid-in capital in the absence of retained earnings	(4,301)	0			0	(4,301)	0
Stock-based compensation	471	0			0	471	0
Net loss	(5,303)	0			0	0	(5,303)
Ending Balance at Dec. 31, 2010	3,424	0			28	20,427	(17,031)
Ending Balance, Share at Dec. 31, 2010					28,004
Stock-based compensation	335	0			0	335	0
Net loss	(5,758)	0			0	0	(5,758)
Ending Balance at Dec. 31, 2011	(1,999)	0			28	20,762	(22,789)
Ending Balance, Share at Dec. 31, 2011					28,004
Issuance of shares of Common Stock as Consideration Shares, Shares					20,794
Stock-based compensation	448	0			0	448	0
Issuance of 20,794,000 shares of Common Stock at $0.40 per share for cash in February 2012	8,318	0			21	8,297	0
Issuance of 805,521 shares of Common Stock for Warrants as $0.25 per share for cash in October 2012	201	0			1	200	0
Issuance of 805,521 shares of Common Stock for Warrants at $0.25 per share for cash in October 2012, Shares					805
Net loss	(6,724)	0			0	0	(6,274)
Ending Balance at Dec. 31, 2012	245	0			50	29,708	(29,513)
Ending Balance, Share at Dec. 31, 2012					49,603
Stock-based compensation	503	0			0	503	0
Issuance of 20,794,000 shares of Common Stock at $0.40 per share for cash in February 2012	3,024	0			12	3,012	0
Issuance of 20,794,000 shares of Common Stock at $0.40 per share for cash in February 2012,Shares					12,096
Net loss	(1,525)	0			0	0	(1,525)
Ending Balance at Jun. 30, 2013	$ 2,247	$ 0			$ 62	$ 33,223	$ (31,038)
Ending Balance, Share at Jun. 30, 2013					61,699