Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 68,807,267	$ 20,264,109
Prepaid research and development contracts	337,192	313,140
Other current assets	895,091	322,221
Total current assets	70,039,550	20,899,470
Furniture and equipment, net	101,291	107,223
Deposits	20,960	20,960
Total assets	70,161,801	21,027,653
Current liabilities:
Accounts payable and accrued expenses	3,644,685	3,592,164
Total current liabilities	3,644,685	3,592,164
Commitments and contingencies (Note 10)
Stockholders’ equity:
Common stock, $0.0001 par value per share; 300,000,000 shares authorized and 40,588,004 and 27,070,038 shares issued and outstanding at September 30, 2018 and December 31, 2017, respectively.	4,059	2,707
Additional paid-in capital	176,953,759	125,995,438
Accumulated deficit	(110,440,702)	(108,562,656)
Total stockholders’ equity	66,517,116	17,435,489
Total liabilities and stockholders’ equity	$ 70,161,801	$ 21,027,653

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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- 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.