STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)
In Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit during Development Stage [Member]
Balance at Jun. 08, 2011 $ 0 $ 0 $ 0 $ 0
Issuance of shares of common stock 5,145 170 4,975 0
Stock-based compensation 474    474 0
Net loss for the year (2,754) 0 0 (2,754)
Balance at Dec. 31, 2011 2,865 170 5,449 (2,754)
Conversion of Series A Convertible Preferred stock, classified as mezzanine equity 76 8 68 0
Stock-based compensation 8,087 3 8,084 0
Recording of equity instruments upon Merger, net of fair value of issued warrants $21,954 and issuance cost of $463 (refer to Note 6) 54,961 152 54,809 0
Issuance of warrants (refer to Note 9) 2,883 0 2,883 0
Conversion of Series A Preferred Convertible Preferred stock, classified as equity 0 201 (201) 0
Exercise of warrants 22,932 76 22,856 0
Exercise of stock options and vesting of Restricted Stock Units (“RSUs”) 509 8 501 0
Conversion of derivative warrants into equity warrants 0      
Issuance of shares in connection with a financing round, net of issuance cost of $52 31,148 96 31,052 0
Shares issued for acquisition of patents (refer to Note 5) 750 2 748 0
Issuance of shares in connection with a financing round, net of issuance cost of $39 44,962 103 44,859 0
Net loss for the year (20,841) 0 0 (20,841)
Balance at Dec. 31, 2012 148,332 819 171,108 (23,595)
Stock-based compensation 12,093 0 12,093 0
Exercise of warrants 1,398 4 1,394 0
Exercise of stock options and vesting of Restricted Stock Units (“RSUs”) 974 22 952 0
Conversion of derivative warrants into equity warrants 3,918 0 3,918 0
Net loss for the year (52,433) 0 0 (52,433)
Balance at Dec. 31, 2013 $ 114,282 $ 845 $ 189,465 $ (76,028)