Consolidated Balance Sheets (USD $)	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 20,172,485	$ 592,004
Other current assets	1,304,146	1,077,546
Total current assets	21,476,631	1,669,550
Property & equipment, net of accumulated depreciation of $1,752,655 and $1,494,510, respectively	1,226,511	1,265,041
Restricted cash		1,000,000
Deferred financing costs, net of amortization of $0 and $58,639, respectively		211,479
Other long-term assets	85,047
Total assets	22,788,189	4,146,070
Current liabilities:
Accounts payable	914,317	412,096
Accrued expenses	1,056,300	473,879
Deferred revenue	1,395,348
Total current liabilities	3,365,965	885,975
Long term liabilities:
Deferred revenue	2,686,878
Total liabilities	6,052,843	1,262,738
Commitments and contingencies
Stockholders' equity:
Preferred stock, no par value, 10,000,000 shares authorized, none issued and outstanding
Common stock, $0.01 par value, 100,000,000 shares authorized, 22,729,487 and 6,249,369 shares issued and outstanding	227,295	62,494
Additional paid in capital	139,017,515	112,432,458
Deficit accumulated during the development stage	(122,509,464)	(109,611,620)
Total stockholders' equity	16,735,346	2,883,332
Total liabilities and stockholders' equity	22,788,189	4,146,070
Unrelated Party Transactions
Long term liabilities:
Convertible debt, net of unamortized discount		318,658
Related Party Transactions
Long term liabilities:
Convertible debt, net of unamortized discount		$ 58,105