Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net (loss) income	$ (3,696,570)	$ (834,283)
Adjustments to reconcile net loss to net cash used in operating activities:
Fair value adjustment of warrant liabilities	2,786,395	(339,308)
Issuance costs of warrants accounted for at fair value		17,636
Depreciation and amortization	16,079	15,888
Stock-based compensation	4,144	2,672
Changes in assets and liabilities:
Trade and other receivables	(1,398)	(27,187)
Prepaid expenses and other assets	14,389	241,023
Accounts payable and accrued expenses	(262,384)	(170,851)
Deferred rent	204	(8,600)
Net cash used in activities of continuing operations	(1,139,141)	(1,103,010)
Net cash provided by (used in) activities of discontinued operations	89,430	(63,902)
Net cash used in operating activities	(1,049,711)	(1,166,912)
Cash flow from investing activities
Net cash provided by (used in) activities of discontinued operations		(1,598)
Net cash used in investing activities		(1,598)
Cash flow from financing activities
Proceeds from issuance of common stock and warrants		1,150,001
Issuance cost of common stock and warrants		(84,000)
Net cash provided by activities of continuing operations		1,066,001
Net cash provided by financing activities		1,066,001
Net decrease in cash and cash equivalents	(1,049,711)	(102,509)
Cash and cash equivalents, beginning of year	4,498,237	4,911,350
Cash and cash equivalents, end of year	3,448,526	4,808,841
Supplemental disclosures of cash flow information:
Cash paid for taxes
Non-cash financing activity:
Issuance of Series C Convertible Preferred Stock in connection with exchange of warrants	$ 5,695,935