STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)
In Thousands, except Share data
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated deficit [Member]
Balance at Dec. 31, 2012 $ 3,982 $ 7 $ 51,483 $ (47,508)
Balance (in shares) at Dec. 31, 2012   10,005,644    
Stock-based compensation related to options and stock granted to service providers 197   197 0
Stock-based compensation related to options and stock granted to service providers (in shares)   53,980    
Stock-based compensation related to stock and options granted to directors and employees 674   674 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   50,666    
Issuance of shares for public offering 2,497 1 2,496 0
Issuance of shares for public offering (in shares)   1,568,628    
Issuance of shares for private placement 250    [1] 250 0
Issuance of shares for private placement (in shares)   55,555    
Conversion of convertible loans 30 0 30 0
Conversion of convertible loans (in shares)   8,408    
Exercise of options 8    [1] 8 0
Exercise of options (in shares)   8,000    
Net loss (4,899) 0 0 (4,899)
Balance at Dec. 31, 2013 2,739 8 55,138 (52,407)
Balance (in shares) at Dec. 31, 2013   11,750,881    
Stock-based compensation related to options and stock granted to service providers 186 0 186 0
Stock-based compensation related to options and stock granted to service providers (in shares)   53,419    
Stock-based compensation related to stock and options granted to directors and employees 578 0 578 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   50,667    
Issuance of shares for private placement 9,554 2 9,552 0
Issuance of shares for private placement (in shares)   2,800,000    
Exercise of options (in shares)   13,333    
Stock issued for warrants exchange 1,633    [1] 1,633 0
Stock issued for warrants exchange (in shares)   388,735    
Warrants liability classified as equity 42 0 42 0
Exercise of warrants 685    [1] 685 0
Exercise of warrants (in shares)   171,129    
Net loss (6,516) 0 0 (6,516)
Balance at Sep. 30, 2014 $ 8,901 $ 10 $ 67,814 $ (58,923)
Balance (in shares) at Sep. 30, 2014   15,228,164    
[1] Represents an amount less than $1.