XML 15 R4.htm IDEA: XBRL DOCUMENT v3.21.2
Statements of Operations and Comprehensive Loss - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Statements of Operations and Comprehensive Loss        
Revenue from collaboration and license agreements $ 86,560 $ 1,000,000 $ 1,142,142 $ 10,000,000
Costs and expenses:        
Research and development expense 13,281,554 10,669,767 34,596,071 33,208,840
General and administrative expense 4,141,952 4,057,530 12,567,404 12,732,207
Total costs and expenses 17,423,506 14,727,297 47,163,475 45,941,047
Loss from operations (17,336,946) (13,727,297) (46,021,333) (35,941,047)
Interest income 4,625 4,762 15,692 476,879
Net loss and comprehensive loss $ (17,332,321) $ (13,722,535) $ (46,005,641) $ (35,464,168)
Basic and diluted net loss per common share (in dollars per share) $ (0.34) $ (0.29) $ (0.90) $ (0.79)
Basic and diluted weighted-average number of common shares outstanding (in shares) 51,564,674 47,511,818 51,266,955 44,962,886