CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 5,049	$ 3,443
Accounts receivable	10	9
Prepaid expenses and other current assets	144	340
Total current assets	5,203	3,792
Non-current assets:
Restricted cash	138	2,039
Property and equipment, at cost, net	44	25
Intangible assets, net	2,488	1,795
Goodwill	4,948	0
Other non-current assets	2	0
Total assets	12,823	7,651
Liabilities
Accounts payable	164	242
Accrued expenses	57	272
Other payables	316	67
Loan payable - related party	100	0
Total current liabilities	637	581
Non-current liabilities:
Derivative liability - warrants	0	7,166
Total liabilities	637	7,747
Commitments and contingencies
Stockholders' equity/(deficit)
Common stock, $0.001 par value; 75,000,000 shares authorized; 7,605,100 and 3,251,187 shares issued and outstanding at September 30, 2013 and December 31, 2012, respectively	8	3
Additional paid in capital	301,684	282,998
Accumulated other comprehensive loss	(281)	(281)
Accumulated deficit	(291,803)	(283,631)
Total stockholders' equity / (deficit)	9,608	(911)
Non-controlling interests	2,462	768
Total equity / (deficit)	12,070	(143)
Total stockholders' equity/(deficit), liabilities and non-controlling interest	12,823	7,651
Series A Convertible Preferred Stock [Member]
Redeemable convertible preferred stock - temporary equity:
Preferred stock, series A convertible preferred, $0.001 par value; 1,415,935 and 1,394,766 shares authorized at September 30, 2013 and December 31, 2012, respectively; 15,748 and 1,394,766 shares issued and outstanding at September 30, 2013 and December 31, 2012, respectively	116	47
Undesignated Preferred Stock [Member]
Stockholders' equity/(deficit)
Undesignated preferred stock, $0.001 par value; 8,584,065 and 8,605,234 shares authorized at September 30, 2013 and December 21, 2012, respectively. No shares authorized, issued and outstanding at September 30, 2013 and December 31, 2012	$ 0	$ 0