Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity

v3.22.1
Consolidated Statements of Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Beginning balance, value at Dec. 31, 2019 $ 836,000 $ 664,064,000 $ (486,470,000) $ 178,430,000
Beginning balance, shares at Dec. 31, 2019 83,622,135        
Stock option-based compensation expense 5,853,000 5,853,000
Restricted stock-based compensation expense 2,334,000 2,334,000
Issuance of common stock in connection with the exercise of stock options $ 1,000 176,000 177,000
Issuance of common stock in connection with the exercise of stock options, shares 77,560        
Issuance of common stock in connection with restricted share awards, net of cancellations $ 34,000 (34,000)
Issuance of common stock in connection with restricted share awards, net of cancellations, shares 3,414,928        
Issuance of common stock in connection with the exercise of pre-funded warrants $ 90,000 (89,000) 1,000
Issuance of common stock in connection with the exercise of pre-funded warrants, shares 9,017,055        
Net loss (84,234,000) (84,234,000)
Other comprehensive loss (10,000) (10,000)
Ending balance, value at Dec. 31, 2020 $ 961,000 672,304,000 (570,704,000) (10,000) 102,551,000
Ending balance, shares at Dec. 31, 2020 96,131,678        
Stock option-based compensation expense 5,250,000 5,250,000
Restricted stock-based compensation expense 3,666,000 3,666,000
Issuance of common stock in connection with the exercise of stock options $ 6,000 825,000 831,000
Issuance of common stock in connection with the exercise of stock options, shares 630,675        
Issuance of common stock in connection with restricted share awards, net of cancellations $ 21,000 (21,000)
Issuance of common stock in connection with restricted share awards, net of cancellations, shares 2,071,275        
Issuance of common stock for cash under open market sale agreement $ 37,000 8,014,000 8,051,000
Issuance of common stock for cash under open market sale agreement, shares 3,671,794        
Issuance of common stock and stock purchase warrants in connection with public offering, net of offering costs $ 447,000 15,532,000 15,979,000
Issuance of common stock and stock purchase warrants in connection with public offering, net of offering costs, shares 44,700,000        
Net loss (84,936,000) (84,936,000)
Other comprehensive loss (17,000) (17,000)
Ending balance, value at Dec. 31, 2021 $ 1,472,000 $ 705,570,000 $ (655,640,000) $ (27,000) $ 51,375,000
Ending balance, shares at Dec. 31, 2021 147,205,422