Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited)

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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited) - 6 months ended Jun. 30, 2017 - USD ($)
$ in Thousands
Preferred Stock [Member]
Common Stock [Member]
Additional Paid in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Deficit [Member]
Total
Balance, at beginning at Dec. 31, 2016 $ 4 $ 166,604 $ (7) $ (141,240) $ 25,361
Balance, at beginning (in shares) at Dec. 31, 2016 3,919,181        
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Employee stock purchase plan 10     10
Employee stock purchase plan (in shares) 2,496        
Issuance of common stock related to restricted stock units        
Issuance of common stock related to restricted stock units (in shares) 9,750        
Stock-based compensation   1,044     1,044
Issuance of common stock in February 2017 ($5.09 per share), March 2017 ($4.50 per share) and April 2017 ($6.55 per share), net of transaction expenses of $280 $ 1 9,060     9,061
Issuance of common stock in February 2017 ($5.09 per share), March 2017 ($4.50 per share) and April 2017 ($6.55 per share), net of transaction expenses of $280 (in shares) 1,486,474        
Issuance of common stock in April 2017 ($4.45 per share), net of transaction expenses of $888 $ 2 8,323     8,325
Issuance of common stock in April 2017 ($4.45 per share), net of transaction expenses of $888 (in shares) 2,070,000        
Issuance of common stock in exchange for exercise of warrants in April 2017 ($6.30 per share)   14     14
Issuance of common stock in exchange for exercise of warrants in April 2017 ($6.30 per share) (in shares)   2,250        
Foreign currency translation gain   (2)   (2)
Net loss     (9,844) (9,844)
Balance, at end at Jun. 30, 2017 $ 7 $ 185,055 $ (9) $ (151,084) $ 33,969
Balance, at end (in shares) at Jun. 30, 2017 7,490,151