INTERIM CONDENSED STATEMENTS OF CHANGES IN EQUITY - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated deficit [Member]
Balance at Dec. 31, 2014 $ 6,675 $ 11 $ 68,317 $ (61,653)
Balance (in shares) at Dec. 31, 2014   15,281,497    
Stock-based compensation related to warrants and stock granted to service providers 108 $ 0 108 0
Stock-based compensation related to warrants and stock granted to service providers (in shares)   27,411    
Stock-based compensation related to stock and options granted to directors and employees 835 $ 0 835 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   77,332    
Exercise and reissuance of warrants 12,409 [1] 12,409 0
Exercise and reissuance of warrants (in shares)   2,546,667    
Exercise of liability classified warrants 145 [1] 145 0
Exercise of liability classified warrants (in shares)   29,000    
Exercise of equity classified warrants 2,333 [1] 2,333 0
Exercise of equity classified warrants (in shares)   536,382    
Exercise of options 109 [1] 109 0
Exercise of options (in shares)   44,999    
Exercise of warrants by Hadasit (Note 7.B.3.(B)) 2 [1] 2 0
Exercise of warrants by Hadasit (Note 7.B.3.(B)) (in shares)   100,000    
Net loss (8,488) $ 0 0 (8,488)
Balance at Dec. 31, 2015 14,128 $ 11 84,258 (70,141)
Balance (in shares) at Dec. 31, 2015   18,643,288    
Stock-based compensation related to warrants and stock granted to service providers 121 [1] 121 0
Stock-based compensation related to warrants and stock granted to service providers (in shares)   36,033    
Stock-based compensation related to stock and options granted to directors and employees 636 $ 0 636 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   8,666    
Net loss (4,358) $ 0 0 (4,358)
Balance at Sep. 30, 2016 $ 10,527 $ 11 $ 85,015 $ (74,499)
Balance (in shares) at Sep. 30, 2016   18,687,987    
[1] * Represents an amount less than $1.