Consolidated Balance Sheets (USD $)	Jun. 30, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 3,019,894	$ 4,498,237
Other receivables	67	3,425
Prepaid expenses and other assets	70,102	100,474
Assets of segment held for sale		104,265
Total current assets	3,090,063	4,706,401
Property and equipment, net of accumulated depreciation of $325,241 and $308,386	2,519	24,009
Deposit	29,505	25,625
Total assets	3,122,087	4,756,035
Current liabilities
Accounts payable and accrued expenses	373,768	425,774
Accrued salaries and benefits	67,368	280,263
Liabilities of segment held for sale	5,102	25,040
Total current liabilities	446,238	731,077
Deferred rent	44,312	45,081
Warrant liabilities	76,506	3,125,393
Total liabilities	567,056	3,901,551
Stockholders' equity
Series B: 1 Share issued and outstanding at June 30, 2013 and December 31,2012; liquidation preference $1,000 per share
Series C: 158,944 shares issued and outstanding at June 30, 2013 and none issued and outstanding at December 31,2012; liquidation preference $0.0001 per share	16
Series E: 100,000 shares issued and outstanding at June 30, 2013 and none issued and outstanding at December 31, 2012; liquidation preference $0.0001 per share	10
Common stock, $0.0001 par value, 50,000,000 shares authorized; 884,507 and 814,114 issued at June 30, 2013 and December 31, 2012, respectively; 884,106 and 813,713 outstanding at June 30, 2013 and December 31, 2012, respectively	89	82
Paid-in capital in excess of par value	42,834,595	36,630,406
Treasury stock at cost, 401 shares at June 30, 2013 and December 31, 2012, respectively	(464,786)	(464,786)
Accumulated deficit	(39,814,893)	(35,311,218)
Total stockholders' equity	2,555,031	854,484
Total liabilities and stockholders' equity	$ 3,122,087	$ 4,756,035