Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets

v3.21.1
Consolidated Balance Sheets - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 15,484,899 $ 24,184,140
Marketable securities 27,005,388  
Prepaid expenses and other current assets 4,164,615 6,575,375
Total current assets 46,654,902 30,759,515
Property and equipment, net 910,075 1,099,948
Operating lease right-of-use assets 2,810,632 3,043,826
Other assets 739,970 105,420
Total assets 51,115,579 35,008,709
Current liabilities:    
Accounts payable 1,805,854 2,622,272
Accrued liabilities 3,609,722 6,803,789
Current portion of lease liabilities 644,527 631,889
Total current liabilities 6,060,103 10,057,950
Warrant liabilities 29,404,089 6,068,978
Long-term portion of lease liabilities 2,958,895 3,264,128
Other liabilities 72,747 72,747
Total liabilities 38,495,834 19,463,803
Commitments and contingencies (Note 8)  
Stockholders' equity:    
Preferred stock, $0.0001 par value, 25,000,000 shares authorized and none outstanding at December 31, 2020 and 2019  
Common stock, $0.0001 par value, 125,000,000 shares authorized; 27,810,161 and 15,332,042 shares issued and outstanding at December 31, 2020 and 2019 2,781 1,533
Additional paid-in capital 252,907,942 227,657,758
Accumulated other comprehensive loss (20,920)  
Accumulated deficit (240,270,058) (212,114,385)
Total stockholders' equity 12,619,745 15,544,906
Total liabilities and stockholders' equity $ 51,115,579 $ 35,008,709