STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIENCY) (USD $)
In Thousands, except Share data
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Deferred Stock-based compensation [Member]
Deficit accumulated during the development stage [Member]
Balance at Sep. 22, 2000 $ 0 $ 0 $ 0 $ 0 $ 0
Balance (in shares) at Sep. 22, 2000   0      
Stock issued on September 22, 2000 for cash at $0.00188 per share 17 1 16 0 0
Stock issued on September 22, 2000 for cash at $0.00188 per share (in shares)   8,500,000      
Stock issued on March 31, 2001 for cash at $0.0375 per share 60 0 [1] 60 0 0
Stock issued on March 31, 2001 for cash at $0.0375 per share (in shares)   1,600,000      
Contribution of capital 8 0 8 0 0
Net loss (17) 0 0 0 (17)
Balance at Mar. 31, 2001 68 1 84 0 (17)
Balance (in shares) at Mar. 31, 2001   10,100,000      
Contribution of capital 11 0 11 0 0
Net loss (26) 0 0 0 (26)
Balance at Mar. 31, 2002 53 1 95 0 (43)
Balance (in shares) at Mar. 31, 2002   10,100,000      
Contribution of capital 15 0 15 0 0
Net loss (47) 0 0 0 (47)
Balance at Mar. 31, 2003 21 1 110 0 (90)
Balance (in shares) at Mar. 31, 2003   10,100,000      
2-for-1 stock split 0 0 [1] 0 0 0
2-for-1 stock split (in shares)   10,100,000      
Stock issued on August 31, 2003 to purchase mineral option at $0.065 per share 6 0 [1] 6 0 0
Stock issued on August 31, 2003 to purchase mineral option at $0.065 per share (in shares)   100,000      
Stock cancelled during period value 0 0 [1] 0 [1] 0 0
Stock cancelled during period shares (in shares)   (10,062,000)      
Contribution of capital 15 0 [1] 15 0 0
Net loss (73) 0 0 0 (73)
Balance at Mar. 31, 2004 (31) 1 131 0 (163)
Balance (in shares) at Mar. 31, 2004   10,238,000      
Stock granted during period value share based compensation 17,506 0 [1] 17,506 0 0
Stock granted during period shares share based compensation (in shares)   2,025,000      
Stock-based compensation related to stock and options granted to directors and employees 0 0 5,979 (5,979) 0
Stock cancelled during period value 0 0 [1]   0 0
Stock cancelled during period shares (in shares)   (1,800,000)      
Stock issued on June 24, 2004 for private placement at $0.01 per share, net of $25,000 issuance expenses 60 0 [1] 60 0 0
Stock issued on June 24, 2004 for private placement at $0.01 per share, net of $25,000 issuance expenses (in shares)   8,510,000      
Contribution of capital 7 0 7 0 0
Stock issued during period value for private placement 1,418 0 [1] 1,418 0 0
Stock issued during period value for private placement (in shares)   1,894,808      
Amortization of deferred stock-based compensation related to options and shares granted to employees and directors 584 0 0 584 0
Net loss (18,840) 0 0 0 (18,840)
Balance at Mar. 31, 2005 704 1 25,101 (5,395) (19,003)
Balance (in shares) at Mar. 31, 2005   20,867,808      
Stock granted during period value share based compensation 662 0 [1] 662 0 0
Stock granted during period shares share based compensation (in shares)   934,904      
Stock-based compensation related to stock and options granted to directors and employees 0 0 [1] 486 (486) 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   200,000      
Amortization of deferred stock-based compensation related to options and shares granted to employees and directors 1,174 0 51 1,123 0
Stock issued on May 12, 2005 for private placement at $0.8 per share 149 0 [1] 149 0 0
Stock issued on May 12, 2005 for private placement at $0.8 per share (in shares)   186,875      
Stock issued on July 27, 2005 for private placement at $0.6 per share 99 0 [1] 99 0 0
Stock issued on July 27, 2005 for private placement at $0.6 per share (in shares)   165,000      
Stock issued on September 30, 2005 for private placement at $0.8 per share 225 0 [1] 225 0 0
Stock issued on September 30, 2005 for private placement at $0.8 per share (in shares)   312,500      
Stock issued on December 7, 2005 for private placement at $0.8 per share 135 0 [1] 135 0 0
Stock issued on December 7, 2005 for private placement at $0.8 per share (in shares)   187,500      
Forfeiture of options granted to employees 0 0 (3,363) 3,363 0
Reclassification due to application of ASC 815-40-25 (formerly EITF 00-19) (7,906) 0 (7,906)    
Beneficial conversion feature related to convertible loans bridge loans 164 0 164 0 0
Net loss (3,317) 0 0 0 (3,317)
Balance at Mar. 31, 2006 (7,911) 1 15,803 (1,395) (22,320)
Balance (in shares) at Mar. 31, 2006   22,854,587      
Stock granted during period value share based compensation 453 0 453 0 0
Stock granted during period shares share based compensation (in shares)   1,147,225      
Stock-based compensation related to stock and options granted to directors and employees 1,168 0 [1] 1,168 0 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   200,000      
Reclassification due to application of ASC 815-40-25 (formerly EITF 00-19) 7,191 0 7,191 0 0
Beneficial conversion feature related to convertible loans bridge loans 1,086 0 1,086 0 0
Elimination of deferred stock compensation due to implementation of ASC 718-10 (formerly SFAS 123(R)) 0 0 (1,395) 1,395 0
Warrants issued to convertible note holder 11 0 11 0 0
Warrants issued to loan holder 110 0 110 0 0
Net loss (3,924) 0 0 0 (3,924)
Balance at Dec. 31, 2006 (1,816) 1 24,427 0 (26,244)
Balance (in shares) at Dec. 31, 2006   24,201,812      
Stock granted during period value share based compensation 1,446   1,446 0 0
Stock granted during period shares share based compensation (in shares)   544,095      
Stock-based compensation related to stock and options granted to directors and employees 1,232 0 [1] 1,232 0 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   200,000      
Exercise of warrants 214 0 [1] 214 0 0
Exercise of warrants (in shares)   3,832,621      
Issuance of shares for private placement 2,000 1 1,999 0 0
Issuance of shares for private placement (in shares)   11,500,000      
Beneficial conversion feature related to convertible loans bridge loans 407 0 407 0 0
Warrants issued to convertible note holder 109 0 109 0 0
Conversion of convertible loans 224 0 [1] 224 0 0
Conversion of convertible loans (in shares)   725,881      
Net loss (6,244) 0 0 0 (6,244)
Balance at Dec. 31, 2007 (2,428) 2 30,058 0 (32,488)
Balance (in shares) at Dec. 31, 2007   41,004,409      
Stock granted during period value share based compensation 33 0 33 0 0
Stock granted during period shares share based compensation (in shares)   90,000      
Stock-based compensation related to stock and options granted to directors and employees 731 0 731 0 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   0      
Exercise of options 3 0 [1] 3 0 0
Exercise of options (in shares)   17,399      
Exercise of warrants 0 0 [1] 0 0 0
Exercise of warrants (in shares)   1,860,000      
Issuance of shares for private placement 1,500 1 1,499 0 0
Issuance of shares for private placement (in shares)   8,625,000      
Conversion of convertible loans 1,276 0 [1] 1,276 0 0
Conversion of convertible loans (in shares)   3,644,610      
Subscription of shares for private placement 281 0 281 0 0
Net loss (3,472) 0 0 0 (3,472)
Balance at Dec. 31, 2008 (2,076) 3 33,881 0 (35,960)
Balance (in shares) at Dec. 31, 2008   55,241,418      
Stock granted during period value share based compensation 775 0 [1] 775 0 0
Stock granted during period shares share based compensation (in shares)   5,284,284      
Stock-based compensation related to stock and options granted to directors and employees 409 0 409 0 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   0      
Exercise of warrants 0 0 [1] 0 0 0
Exercise of warrants (in shares)   3,366,783      
Stock issued during period value for private placement 1 1 0 0 0
Stock issued during period value for private placement (in shares)   9,916,667      
Conversion of convertible loans 200 0 [1] 200 0 0
Conversion of convertible loans (in shares)   2,500,000      
Subscription of shares for private placement 729 0 729 0 0
Net loss (1,781) 0 0 0 (1,781)
Balance at Dec. 31, 2009 (1,743) 4 35,994 0 (37,741)
Balance (in shares) at Dec. 31, 2009   76,309,152      
Stock granted during period value share based compensation 96 0 [1] 96 0 0
Stock granted during period shares share based compensation (in shares)   443,333      
Stock-based compensation related to stock and options granted to directors and employees 388 0 [1] 388 0 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   466,667      
Conversion of convertible note 135 0 [1] 135 0 0
Conversion of convertible note (in shares)   402,385      
Exercise of options 77 0 [1] 77 0 0
Exercise of options (in shares)   1,540,885      
Exercise of warrants 11 0 [1] 11 0 0
Exercise of warrants (in shares)   3,929,446      
Issuance of shares on account of previously subscribed shares 0 0 [1] 0 0 0
Issuance of shares on account of previously subscribed shares (in shares)   2,000,001      
Stock issued during period value for private placement 1,751 1 1,750 0 0
Stock issued during period value for private placement (in shares)   7,250,000      
Conversion of convertible loans 189 0 [1] 189 0 0
Conversion of convertible loans (in shares)   1,016,109      
Issuance of shares for public offering 400   400    
Issuance of shares for public offering (in shares)   2,475,000      
Conversion of trade payable to stock 201 0 201 0 0
Subscription of shares for private placement 455 0 455 0 0
Net loss (2,419)       (2,419)
Balance at Dec. 31, 2010 (459) 5 39,696 0 (40,160)
Balance (in shares) at Dec. 31, 2010   95,832,978      
Stock granted during period value share based compensation 449 0 449 0 0
Stock granted during period shares share based compensation (in shares)   474,203      
Stock-based compensation related to stock and options granted to directors and employees 1,135 0 1,135 0 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   2,025,040      
Conversion of convertible note 140 0 140 0 0
Conversion of convertible note (in shares)   755,594      
Exercise of options 243 0 243 0 0
Exercise of options (in shares)   1,648,728      
Exercise of warrants 272 0 272 0 0
Exercise of warrants (in shares)   1,046,834      
Issuance of shares for private placement 3,602 1 3,601 0 0
Issuance of shares for private placement (in shares)   14,160,933      
Issuance of shares on account of previously subscribed shares 24 0 24 0 0
Issuance of shares on account of previously subscribed shares (in shares)   10,499,999      
Net loss (3,918) 0 0 0 (3,918)
Balance at Dec. 31, 2011 1,488 6 45,560 0 (44,078)
Balance (in shares) at Dec. 31, 2011   126,444,309      
Stock granted during period value share based compensation 195 0 195 0 0
Stock granted during period shares share based compensation (in shares)   794,423      
Stock-based compensation related to stock and options granted to directors and employees 560 0 560 0 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   885,000      
Exercise of options 137 0 [1] 137 0 0
Exercise of options (in shares)   1,182,606      
Exercise of warrants 9 0 [1] 9 0 0
Exercise of warrants (in shares)   959,729      
Issuance of shares for private placement 5,023 1 5,022   0
Issuance of shares for private placement (in shares)   19,818,968      
Net loss (3,430) 0 0 0 (3,430)
Balance at Dec. 31, 2012 3,982 7 51,483 0 (47,508)
Balance (in shares) at Dec. 31, 2012   150,085,035      
Stock granted during period value share based compensation 197   197 0 0
Stock granted during period shares share based compensation (in shares)   809,696      
Stock-based compensation related to stock and options granted to directors and employees 674   674 0 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   760,000      
Exercise of options 8 0 [1] 8 0 0
Exercise of options (in shares)   120,000      
Issuance of shares for private placement 250 0 [1] 250 0 0
Issuance of shares for private placement (in shares)   833,334      
Conversion of convertible loans 30 0 30 0 0
Conversion of convertible loans (in shares)   126,111      
Issuance of shares for public offering 2,497 1 2,496 0 0
Issuance of shares for public offering (in shares)   23,529,411      
Net loss (4,899) 0 0 0 (4,899)
Balance at Dec. 31, 2013 2,739 8 55,138 0 (52,407)
Balance (in shares) at Dec. 31, 2013   176,263,587      
Stock granted during period value share based compensation 110 0 110 0 0
Stock granted during period shares share based compensation (in shares)   540,000      
Stock-based compensation related to stock and options granted to directors and employees 122 0 122 0 0
Stock-based compensation related to stock and options granted to directors and employees (in shares)   0      
Net loss (2,111) 0 0 0 (2,111)
Balance at Mar. 31, 2014 $ 860 $ 8 $ 55,370 $ 0 $ (54,518)
Balance (in shares) at Mar. 31, 2014   176,803,587      
[1] Represents an amount less than $1.