Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity

v3.10.0.1
Condensed Consolidated Statements of Stockholders' Equity - USD ($)
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated deficit [Member]
Balance at Dec. 31, 2017 $ 170,098,000 $ 469,000 $ 529,421,000 $ (359,792,000)
Balance (in shares) at Dec. 31, 2017   46,888,108    
Cumulative effect adjustment of ASC 606 on January 1, 2018 3,663,000 $ 0 0 3,663,000
Stock based compensation expense 1,900,000 0 1,900,000 0
Vesting of restricted common stock issued to employees 172,000 0 172,000 0
Common stock issued for -cash exercise of options 1,685,000 $ 3,000 1,682,000 0
Common stock issued for -cash exercise of options(in shares)   267,196    
Common stock issued for -exercise of $5.00 warrants 144,000 $ 0 144,000 0
Common stock issued for -exercise of $5.00 warrants (in shares)   28,874    
Common stock issued for -cashless warrant exercises 0 $ 0 0 0
Common stock issued for -cashless warrant exercises (in shares)   48,762    
Net loss (8,463,000) $ 0 0 (8,463,000)
Balance at Mar. 31, 2018 169,199,000 $ 472,000 533,319,000 (364,592,000)
Balance (in shares) at Mar. 31, 2018   47,232,940    
Balance at Dec. 31, 2017 170,098,000 $ 469,000 529,421,000 (359,792,000)
Balance (in shares) at Dec. 31, 2017   46,888,108    
Net loss (36,582,000)      
Balance at Sep. 30, 2018 150,245,000 $ 480,000 542,476,000 (392,711,000)
Balance (in shares) at Sep. 30, 2018   47,944,486    
Balance at Mar. 31, 2018 169,199,000 $ 472,000 533,319,000 (364,592,000)
Balance (in shares) at Mar. 31, 2018   47,232,940    
Stock based compensation expense 2,673,000 $ 0 2,673,000 0
Vesting of restricted common stock issued to employees 172,000 0 172,000 0
Common stock issued for -cash exercise of options 481,000 $ 1,000 480,000 0
Common stock issued for -cash exercise of options(in shares)   76,956    
Common stock issued for -exercise of $5.00 warrants 89,000 $ 0 89,000 0
Common stock issued for -exercise of $5.00 warrants (in shares)   17,889    
Net loss (11,700,000) $ 0 0 (11,700,000)
Balance at Jun. 30, 2018 160,914,000 $ 473,000 536,733,000 (376,292,000)
Balance (in shares) at Jun. 30, 2018   47,327,785    
Stock based compensation expense 2,499,000 $ 0 2,499,000 0
Vesting of restricted common stock issued to employees 172,000 0 172,000 0
Common stock issued for -cash exercise of options 79,000 $ 1,000 78,000 0
Common stock issued for -cash exercise of options(in shares)   16,701    
Common stock issued for -exercise of $5.00 warrants 3,000,000 $ 6,000 2,994,000 0
Common stock issued for -exercise of $5.00 warrants (in shares)   600,000    
Net loss (16,419,000) $ 0 0 (16,419,000)
Balance at Sep. 30, 2018 $ 150,245,000 $ 480,000 $ 542,476,000 $ (392,711,000)
Balance (in shares) at Sep. 30, 2018   47,944,486