Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity (Unaudited)

v3.19.3
Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
Common Stock [Member]
Additional Paid In Capital [Member]
Accumulated Deficit [Member]
Total
Beginning balance at Dec. 31, 2017 $ 469,000 $ 529,421,000 $ (359,792,000) $ 170,098,000
Beginning balance, shares at Dec. 31, 2017 46,888,108      
Cumulative effect adjustment of ASC 606 on January 1, 2018 6,275,000 6,275,000
Stock-based compensation expense 1,900,000 1,900,000
Restricted stock-based compensation expense 172,000 172,000
Common stock issued for cash exercise of options $ 3,000 1,682,000 1,685,000
Common stock issued for cash exercise of options, shares 267,196      
Common stock issued for exercise of $5.00 warrants 144,000 144,000
Common stock issued for exercise of $5.00 warrants, shares 28,874      
Common stock issued for cashless warrant exercises
Common stock issued for cashless warrant exercises, shares 48,762      
Net loss (10,530,000) (10,530,000)
Ending balance at Mar. 31, 2018 $ 472,000 533,319,000 (364,047,000) 169,744,000
Ending balance, shares at Mar. 31, 2018 47,232,940      
Beginning balance at Dec. 31, 2017 $ 469,000 529,421,000 (359,792,000) 170,098,000
Beginning balance, shares at Dec. 31, 2017 46,888,108      
Net loss       (39,192,000)
Ending balance at Sep. 30, 2018 $ 480,000 542,476,000 (392,709,000) 150,247,000
Ending balance, shares at Sep. 30, 2018 47,944,486      
Beginning balance at Mar. 31, 2018 $ 472,000 533,319,000 (364,047,000) 169,744,000
Beginning balance, shares at Mar. 31, 2018 47,232,940      
Stock-based compensation expense 2,673,000 2,673,000
Restricted stock-based compensation expense 172,000 172,000
Common stock issued for cash exercise of options $ 1,000 480,000 481,000
Common stock issued for cash exercise of options, shares 76,956      
Common stock issued for exercise of $5.00 warrants 89,000 89,000
Common stock issued for exercise of $5.00 warrants, shares 17,889      
Net loss (12,243,000) (12,243,000)
Ending balance at Jun. 30, 2018 $ 473,000 536,733,000 (376,290,000) 160,916,000
Ending balance, shares at Jun. 30, 2018 47,327,785      
Stock-based compensation expense 2,499,000 2,499,000
Restricted stock-based compensation expense 172,000 172,000
Common stock issued for cash exercise of options $ 1,000 78,000 79,000
Common stock issued for cash exercise of options, shares 16,701      
Common stock issued for exercise of $5.00 warrants $ 6,000 2,994,000 3,000,000
Common stock issued for exercise of $5.00 warrants, shares 600,000      
Net loss (16,419,000) (16,419,000)
Ending balance at Sep. 30, 2018 $ 480,000 542,476,000 (392,709,000) 150,247,000
Ending balance, shares at Sep. 30, 2018 47,944,486      
Beginning balance at Dec. 31, 2018 $ 479,000 543,754,000 (410,188,000) 134,045,000
Beginning balance, shares at Dec. 31, 2018 47,944,486      
Stock-based compensation expense 2,103,000 2,103,000
Restricted stock-based compensation expense 172,000 172,000
Common stock issued for cash exercise of options 28,000 28,000
Common stock issued for cash exercise of options, shares 5,208      
Net loss (18,555,000) (18,555,000)
Ending balance at Mar. 31, 2019 $ 479,000 546,057,000 (428,743,000) 117,793,000
Ending balance, shares at Mar. 31, 2019 47,949,694      
Beginning balance at Dec. 31, 2018 $ 479,000 543,754,000 (410,188,000) 134,045,000
Beginning balance, shares at Dec. 31, 2018 47,944,486      
Net loss       (59,851,000)
Ending balance at Sep. 30, 2019 $ 511,000 565,580,000 (470,039,000) 96,052,000
Ending balance, shares at Sep. 30, 2019 51,054,395      
Beginning balance at Mar. 31, 2019 $ 479,000 546,057,000 (428,743,000) 117,793,000
Beginning balance, shares at Mar. 31, 2019 47,949,694      
Stock-based compensation expense 1,678,000 1,678,000
Restricted stock-based compensation expense 78,000 78,000
Common stock issued for cash exercise of options $ 1,000 384,000 385,000
Common stock issued for cash exercise of options, shares 91,126      
Common stock issued for cash under open market sale agreement $ 17,000 12,605,000 12,622,000
Common stock issued for cash under open market sale agreement, shares 1,658,677      
Shares returned in connection with arbitration ruling on licensing agreement $ (5,000) (1,467,000) (1,472,000)
Shares returned in connection with arbitration ruling on licensing agreement, shares (450,000)      
Net loss (23,924,000) (23,924,000)
Ending balance at Jun. 30, 2019 $ 492,000 559,335,000 (452,667,000) 107,160,000
Ending balance, shares at Jun. 30, 2019 49,249,497      
Stock-based compensation expense 1,826,000 1,826,000
Restricted stock-based compensation expense 98,000 98,000
Common stock issued for restricted share awards $ 4,000 (4,000)
Common stock issued for restricted share awards, shares 376,625      
Net loss (17,372,000) (17,372,000)
Ending balance at Sep. 30, 2019 $ 511,000 $ 565,580,000 $ (470,039,000) $ 96,052,000
Ending balance, shares at Sep. 30, 2019 51,054,395