Condensed Balance Sheets (USD $)	Mar. 31, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 21,835,498	$ 24,196,691
Prepaid expenses	176,247	234,262
Total current assets	22,011,745	24,430,953
Other assets	555,505	555,505
Total assets	22,567,250	24,986,458
Current Liabilities:
Accounts payable and accrued expenses	1,115,853	284,915
Accrued compensation	385,499	557,399
Current portion of long-term debt	1,442,592	1,442,592
Total current liabilities	2,943,944	2,284,906
Deferred rent expense	15,518	6,830
Long-term debt, net of current portion	1,156,701	1,511,461
Total liabilities	4,116,163	3,803,197
Stockholders' equity:
Common stock, $0.0001 par value; authorized shares - 50,000,000; issued and outstanding shares - 6,099,547 at March 31, 2014 and 6,096,752 at December 31, 2013	610	610
Additional paid-in capital	44,097,429	43,874,119
Deficit accumulated during the development stage	(25,646,952)	(22,691,468)
Total stockholders' equity	18,451,087	21,183,261
Total liabilities and stockholders' equity	$ 22,567,250	$ 24,986,458