v3.19.2
Condensed Consolidated Statements of Stockholders' (Deficit) Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Balance (in shares) at Dec. 31, 2017 50,899,154        
Balance at Dec. 31, 2017 $ 51 $ 261,310 $ (297,870) $ (36,509)
Stock-based compensation 1,080 1,080
Issuance of common stock upon ESPP purchase (in shares) 92,290        
Issuance of common stock upon ESPP purchase 141 141
Net loss (11,592) (11,592)
Balance (in shares) at Mar. 31, 2018 50,991,444        
Balance at Mar. 31, 2018 $ 51 262,531 (309,462) (46,880)
Balance (in shares) at Dec. 31, 2017 50,899,154        
Balance at Dec. 31, 2017 $ 51 261,310 (297,870) (36,509)
Net loss         (22,133)
Balance (in shares) at Jun. 30, 2018 53,327,187        
Balance at Jun. 30, 2018 $ 53 270,984 (320,003) (48,966)
Balance (in shares) at Mar. 31, 2018 50,991,444        
Balance at Mar. 31, 2018 $ 51 262,531 (309,462) (46,880)
Stock-based compensation 1,048 1,048
Net loss (10,541) (10,541)
Issuance of common stock in connection with equity financings (in shares) 2,335,743        
Issuance of common stock in connection with equity financings $ 2 7,405 7,407
Balance (in shares) at Jun. 30, 2018 53,327,187        
Balance at Jun. 30, 2018 $ 53 270,984 (320,003) (48,966)
Balance (in shares) at Dec. 31, 2018 78,757,930        
Balance at Dec. 31, 2018 $ 78 349,194 (345,019) 4,253
Cumulative effect adjustment for adoption of ASU No. 2016-02 (Accounting Standards Update 2016-02 [Member]) at Dec. 31, 2018 153 153
Stock-based compensation 1,107 1,107
Issuance of common stock upon exercise of stock options (in shares) 13,583        
Issuance of common stock upon exercise of stock options 31 31
Issuance of common stock upon ESPP purchase (in shares) 85,135        
Issuance of common stock upon ESPP purchase $ 1 238 239
Net loss (13,674) (13,674)
Balance (in shares) at Mar. 31, 2019 78,856,648        
Balance at Mar. 31, 2019 $ 79 350,570 (358,540) (7,891)
Balance (in shares) at Dec. 31, 2018 78,757,930        
Balance at Dec. 31, 2018 $ 78 349,194 (345,019) 4,253
Cumulative effect adjustment for adoption of ASU No. 2016-02 (Accounting Standards Update 2016-02 [Member]) at Dec. 31, 2018 153 153
Net loss         (26,086)
Balance (in shares) at Jun. 30, 2019 78,914,170        
Balance at Jun. 30, 2019 $ 79 352,454 (370,952) (18,419)
Balance (in shares) at Mar. 31, 2019 78,856,648        
Balance at Mar. 31, 2019 $ 79 350,570 (358,540) (7,891)
Stock-based compensation 1,346 1,346
Issuance of common stock upon exercise of stock options (in shares) 57,522        
Issuance of common stock upon exercise of stock options 155 155
Net loss (12,412) (12,412)
Issuance of warrants related to debt financing 383 383
Balance (in shares) at Jun. 30, 2019 78,914,170        
Balance at Jun. 30, 2019 $ 79 $ 352,454 $ (370,952) $ (18,419)