Condensed Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Current Assets:
Cash and cash equivalents	$ 4,129,051	$ 8,691,155
Prepaid expenses	499,324	833,276
Other current assets	7,997
Total current assets	4,636,372	9,524,431
Other assets		7,997
Total assets	4,636,372	9,532,428
Current Liabilities:
Accounts payable and accrued expenses	1,264,145	927,606
Accrued compensation	499,305	760,782
Current portion of long-term debt	4,399,835	146,052
Total current liabilities	6,163,285	1,834,440
Long-term debt, net of current portion		4,233,059
Total liabilities	6,163,285	6,067,499
Stockholders' equity:
Common stock, $0.0001 par value; authorized shares — 50,000,000; issued and outstanding shares - 7,291,841 and 7,201,774 at June 30, 2016 and December 31, 2015, respectively	729	720
Additional paid-in capital	52,728,877	51,524,821
Accumulated deficit	(54,256,519)	(48,060,612)
Total stockholders' equity (deficit)	(1,526,913)	3,464,929
Total liabilities and stockholders' equity	$ 4,636,372	$ 9,532,428

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.