XML 12 R2.htm IDEA: XBRL DOCUMENT v3.7.0.1
Balance Sheets - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Current Assets:    
Cash and cash equivalents $ 119,147,928 $ 40,041,641
Prepaid expenses and other current assets 502,155 478,503
Total current assets 119,650,083 40,520,144
Property and equipment, net 1,159,589 1,056,332
Prepaid research and development expenses 759,531 759,531
Deposits 52,320 52,320
Total assets 121,621,523 42,388,327
Current liabilities:    
Accounts payable 575,111 1,565,210
Accrued bonuses 766,464 1,432,485
Accrued expenses 4,034,905 3,267,371
Deferred rent 70,598 68,551
Total current liabilities 5,447,078 6,333,617
Deferred rent, net of current portion 742,584 753,579
Total liabilities 6,189,662 7,087,196
Stockholders' equity:    
Preferred stock; $0.001 par value; 5,000,000 shares authorized; no shares issued and outstanding at June 30, 2017 and December 31, 2016
Common stock; $0.001 par value; 100,000,000 shares authorized, 32,716,357 shares issued and outstanding at June 30, 2017; 100,000,000 shares authorized, 23,250,023 shares issued and outstanding at December 31, 2016 32,715 23,249
Additional paid-in capital 250,468,293 154,254,193
Accumulated deficit (135,069,147) (118,976,311)
Total stockholders' equity 115,431,861 35,301,131
Total liabilities and stockholders' equity $ 121,621,523 $ 42,388,327