Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets

v3.8.0.1
Consolidated Balance Sheets - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Current assets:    
Cash and cash equivalents $ 6,995,046 $ 3,806,984
Marketable securities 39,858,864 31,354,170
Prepaid expenses and other current assets 1,848,063 1,017,645
Total current assets 48,701,973 36,178,799
Property and equipment, net 1,093,903 1,281,152
Other assets 393,603 164,519
Total assets 50,189,479 37,624,470
Current liabilities:    
Accounts payable 1,302,431 1,549,845
Accrued liabilities 3,118,237 2,868,352
Total current liabilities 4,420,668 4,418,197
Deferred rent 704,240 994,439
Warrant liabilities 13,549,437 12,698,980
Other liabilities 321,689  
Total liabilities 18,996,034 18,111,616
Commitments and contingencies (Note 8)
Stockholders' equity:    
Preferred stock, $0.0001 par value, 25,000,000 shares authorized and none outstanding at December 31, 2017 and 2016
Common stock, $0.0001 par value, 200,000,000 shares authorized, 73,656,006 shares issued and outstanding at December 31, 2017; 100,000,000 shares authorized, 41,656,006 shares issued and outstanding at December 31, 2016 7,366 4,166
Additional paid-in capital 192,896,367 165,678,164
Accumulated other comprehensive loss (74,820) (51,666)
Accumulated deficit (161,635,468) (146,117,810)
Total stockholders' equity 31,193,445 19,512,854
Total liabilities and stockholders' equity $ 50,189,479 $ 37,624,470