Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity

v3.8.0.1
Condensed Consolidated Statements of Stockholders' Equity - USD ($)
Total
Employees and Directors [Member]
Common Stock [Member]
Common Stock [Member]
Employees and Directors [Member]
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Employees and Directors [Member]
Accumulated deficit [Member]
Accumulated deficit [Member]
Employees and Directors [Member]
Balance at Dec. 31, 2016 $ 99,098,000   $ 403,000   $ 431,168,000   $ (332,473,000)  
Balance (in shares) at Dec. 31, 2016     40,254,457          
Restricted common stock issued to employees and directors   $ 362,000   $ 0   $ 362,000   $ 0
Restricted common stock issued to employees and directors (in shares)       0        
Stock option compensation expense 1,492,000   $ 0   1,492,000   0  
Common stock issued for cash exercise of options 1,000   $ 0   1,000   0  
Common stock issued for cash exercise of options (in shares)     625          
Net loss (5,247,000)   $ 0   0   (5,247,000)  
Balance at Mar. 31, 2017 95,706,000   $ 403,000   433,023,000   (337,720,000)  
Balance (in shares) at Mar. 31, 2017     40,255,082          
Balance at Dec. 31, 2016 99,098,000   $ 403,000   431,168,000   (332,473,000)  
Balance (in shares) at Dec. 31, 2016     40,254,457          
Net loss (18,869,000)              
Balance at Sep. 30, 2017 89,880,000   $ 409,000   440,813,000   (351,342,000)  
Balance (in shares) at Sep. 30, 2017     40,924,659          
Balance at Mar. 31, 2017 95,706,000   $ 403,000   433,023,000   (337,720,000)  
Balance (in shares) at Mar. 31, 2017     40,255,082          
Restricted common stock issued to employees and directors   324,000   $ 0   324,000   0
Restricted common stock issued to employees and directors (in shares)       0        
Stock option compensation expense 1,243,000   $ 0   1,243,000   0  
Common stock issued for cash exercise of options 84,000   $ 0   84,000   0  
Common stock issued for cash exercise of options (in shares)     31,250          
Net loss (8,279,000)   $ 0   0   (8,279,000)  
Balance at Jun. 30, 2017 89,078,000   $ 403,000   434,674,000   (345,999,000)  
Balance (in shares) at Jun. 30, 2017     40,286,332          
Restricted common stock issued to employees and directors   $ 293,000   $ 0   $ 293,000   $ 0
Restricted common stock issued to employees and directors (in shares)       0        
Stock option compensation expense 792,000   $ 0   792,000   0  
Common stock issued for cash exercise of options 8,000   $ 0   8,000   0  
Common stock issued for cash exercise of options (in shares)     2,927          
Exercise of $8.00 warrants 5,000,000   $ 6,000   4,994,000   0  
Exercise of $8.00 warrants (in shares)     625,000          
Exercise of $5.00 warrants 52,000   $ 0   52,000   0  
Exercise of $5.00 warrants (in shares)     10,400          
Net loss (5,343,000)   $ 0   0   (5,343,000)  
Balance at Sep. 30, 2017 $ 89,880,000   $ 409,000   $ 440,813,000   $ (351,342,000)  
Balance (in shares) at Sep. 30, 2017     40,924,659