Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets

v3.19.1
Consolidated Balance Sheets - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Current assets:    
Cash and cash equivalents $ 41,748,468 $ 62,537,495
Restricted cash 158,991
Prepaid expenses and other current assets 2,491,844 2,808,244
Total current assets 44,240,312 65,504,730
Property and equipment, net 2,705,206 1,432,655
Other assets 43,823 40,776
Total assets 46,989,341 66,978,161
Current liabilities:    
Notes payable 394,305 332,861
Accounts payable 6,345,335 3,130,295
Accrued expenses 9,851,191 4,741,519
Deferred revenue, current 1,462,503
Deferred rent, current 35,996
Total current liabilities 18,089,330 8,204,675
Deferred rent, noncurrent 1,375,891 989,550
Other liabilities 375
Total liabilities 19,465,221 9,194,600
Commitments and Contingencies
Stockholders' equity    
Preferred Stock $0.0001 par value:10,000,000 shares authorized, no shares issued and outstanding at December 31, 2018 and 2017
Common stock, $0.0001 par value; 150,000,000 shares authorized at December 31, 2018 and 2017, 57,247,496 and 55,603,427 shares issued and outstanding at December 31, 2018 and 2017, respectively 5,725 5,560
Additional paid-in capital 148,888,635 123,476,102
Accumulated deficit (121,370,240) (65,698,101)
Total stockholders' equity 27,524,120 57,783,561
Total liabilities and stockholders' equity $ 46,989,341 $ 66,978,161