Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document And Entity Information Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Trading Symbol Trading Symbol Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Assets [Abstract] ASSETS Cash and Cash Equivalents, At Carrying Value Cash and cash equivalents Cash and cash equivalents Cash and cash equivalents at the beginning of the period Cash and cash equivalents at end of the period Accounts Receivable, Net, Current Account receivable Prepaid Expense, Current Prepaid expenses Prepaid expenses Assets, Current Total current assets Total current assets Assets, Noncurrent [Abstract] Long-Term Investments: Prepaid Expense, Noncurrent Prepaid expenses Prepaid expenses Severance Pay Fund Severance payment fund Severance payment fund Carrying amonut of as of the balance date of severance pay fund. Long-Term Investments Total long-term investments Total long-term investments Property, Plant and Equipment, Net Property and Equipment, Net Property and Equipment, Net (Note 6) Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Assets Total assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIENCY) Accounts Payable, Current Trade payables Accounts Payable, Current, Total Accrued Liabilities, Current Accrued expenses Accounts Payable, Other, Current Other accounts payable Liabilities, Current Total current liabilities Total current liabilities Other Postretirement Defined Benefit Plan, Liabilities, Noncurrent Accrued Severance Pay Accrued Severance Pay Liabilities Total liabilities Total liabilities Commitments and Contingencies Commitments And Contingencies Stockholders Equity Attributable To Parent [Abstract] Stockholders' Equity: Common Stock, Value, Issued Stock capital: (Note 8) Common stock of $0.00005 par value - Authorized: 800,000,000 shares at June 30, 2011 and December 31, 2010; Issued and outstanding: 122,573,928 and 95,832,978 shares at June 30, 2011 and December 31, 2010, respectively. Stock capital: (Note 8) Common stock of $0.00005 par value - Authorized: 800,000,000 shares at March 31, 2012 and December 31, 2011; Issued and outstanding: 126,737,158 and 126,444,309 shares at March 31, 2012 and December 31, 2011 respectively. Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Additional Paid In Capital, Common Stock Additional paid-in-capital Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Development Stage Enterprise, Deficit Accumulated During Development Stage Deficit accumulated during the development stage Deficit accumulated during the development stage Deficit accumulated during the development stage Deficit accumulated during the development stage Stockholders Equity Attributable To Parent Total stockholders' deficiency Total stockholders' equity Balance Balance Liabilities and Equity Total liabilities and stockholders' Equity (deficiency) Total liabilities and stockholders' equity Balance Sheet Parenthetical [Abstract] Balance Sheet Parenthetical [Abstract] Balance Sheet Parenthetical Common Stock, Par Or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Issued, Total Common Stock, Shares, Outstanding Common stock, shares outstanding Common Stock, Shares, Outstanding, Beginning Balance Common Stock, Shares, Outstanding, Ending Balance Income Statement [Abstract] Income Statement [Abstract] Operating Expenses [Abstract] Operating costs and expenses: Research and Development Expense Research and development, net Research and development, net Research and development, net Research and development, net General and Administrative Expense General and administrative General and administrative General and administrative General and administrative Operating Expenses Total operating costs and expenses Total operating costs and expenses Total operating costs and expenses Total operating costs and expenses Interest Expense Financial expenses (income), net Financial expenses (income), net Other Nonoperating Income Other income Other income Other income Operating Income (Loss) Operating loss Operating loss Operating loss Income Tax Expense (Benefit) Taxes on income (Note 13) Taxes on income Taxes on income (Note 13) Income (Loss) From Continuing Operations Attributable To Parent Loss from continuing operations Loss from continuing operations Loss from continuing operations Income (Loss) From Discontinued Operations, Net Of Tax, Attributable To Parent Less - loss for the period from discontinued operations Net loss from discontinued operations Net loss from discontinued operations Less - loss for the period from discontinued operations Net Income (Loss) Attributable To Parent Net loss Net loss Net loss Net loss Income (Loss) From Continuing Operations, Per Basic and Diluted Share Basic and diluted net loss per share from continuing operations (in dollars per share) Basic and diluted net loss per share from continuing operations (in dollars per share) Weighted Average Number Of Share Outstanding Basic and Diluted Weighted average number of shares outstanding used in computing basic and diluted net loss per share (in shares) Weighted average number of shares outstanding used in computing basic and diluted net loss per share (in shares) The average number of shares or units issued and outstanding that are used in calculating basic and diluted EPS. Statement Of Stockholders Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Statement, Equity Components [Axis] Common Stock [Member] Additional Paid-In Capital [Member] Deferred Compensation, Share-Based Payments [Member] Deficit Accumulated During The Development Stage [Member] Shares, Outstanding Balance (in shares) Balance (in shares) Balance (in shares) Stock Granted During Period, Value, Share-Based Compensation, Net Of Forfeitures Compensation related to shares and options granted to service providers Stock-based compensation related to options and shares granted to service providers Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Net Of Forfeitures Compensation related to shares and options granted to service providers (in shares) Stock-based compensation related to options and shares granted to service providers (Shares) Stock Based Compensation Related To Options Granted To Employees and Directors Value Deferred stock-based compensation related to shares and options granted to directors and employees Stock Based Compensation Related To Options Granted To Employees and Directors Shares Deferred stock-based compensation related to shares and options granted to directors and employees (in shares) Number of shares issued for stock-based compensation related to options granted to employees and directors during the period. Stock Issued During Period, Value, Conversion Of Convertible Note Conversion of convertible note Value of stock issued during the period upon the conversion of convertible Note. Stock Issued During Period, Shares, Conversion Of Convertible Note Conversion of convertible note (in shares) Number of shares issued during the period upon the conversion of convertible Note. Stock Issued During Period, Value, Stock Options Exercised Exercise of options Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period Exercise of options (in shares) Stock Issued During Period, Value, Exercise Of Warrants Exercise of warrants Value of stock issued during the period as a result of exercise of warrants Stock Issued During Period, Shares, Exercise Of Warrants Exercise of warrants (in shares) Number of shares issued during the period as a result of exercise of warrants Stock Issued During Period For Private Placement Value Issuance of shares for private placement Value of stock issued for private placement during the period. Stock Issued During Period Shares Private Placement Issuance of shares for private placement (in shares) Number of shares issued for private placement during the period. Stock Issued During Period, Value, Previously Subscribed Shares Issuance of shares on account of previously subscribed shares (See also Note 11B.1.f) Value of stock issued during the period as a result of previously subscribed shares. Stock Issued During Period, Shares, Previously Subscribed Shares Issuance of shares on account of previously subscribed shares (See also Note 11B.1.f) (in shares) Number of shares issued during the period as a result of previously subscribed shares. Stock Issued During Period For Cash In September Stock issued on September 22, 2000 for cash at $0.00188 per share Value of new stock issued for cash during september. Stock Issued During Period For Cash Shares In September Stock issued on September 22, 2000 for cash at $0.00188 per share (in shares) Number of shares issued for cash during september. Stock Issued During Period For Cash In March Stock issued on June 30, 2001 for cash at $0.0375 per share Value of new stock issued for cash during march. Stock Issued During Period For Cash Shares In March Stock issued on June 30, 2001 for cash at $0.0375 per share (in shares) Number of shares issued for cash during march. Stock Issued During Period, Value, Stock Splits 2-for-1 stock split Value of stock issued during the period as a result of a stock split. Stock Issued During Period, Shares, Stock Splits 2-for-1 stock split (in shares) Stock Issued During Period, Value, Purchase Of Assets Stock issued on August 31, 2003 to purchase mineral option at $0.065 per share Stock Issued During Period, Shares, Purchase Of Assets Stock issued on August 31, 2003 to purchase mineral option at $0.065 per share (in shares) Stock Cancelled During Period, Value Cancellation of shares granted to Company's President and service providers Value of stock cancelled of shares granted during the period. Stock Cancelled During Period, Shares Cancellation of shares granted to Company's President and service providers (in shares) Number of shares cancelled of shares granted during the period. Stock Issued During Period For Private Placement In June Stock issued on June 24, 2004 for private placement at $0.01 per share, net of $25,000 issuance expenses Value of new stock issued for private placement during june. Stock Issued During Period For Private Placement Shares In June Stock issued on June 24, 2004 for private placement at $0.01 per share, net of $25,000 issuance expenses (in shares) Number of shares issued for private placement during june. Adjustments To Additional Paid In Capital, Contribution Of Capital Contribution of capital Increase in additional paid in capital due to contribution of capital. Stock Issued During Period For Private Placement, Value, Issues One Stock issued for private placement Value of new stock issued (issue one) for private placement during the period. Stock Issued During Period For Private Placement, Shares, Issues One Stock issued for private placement (in shares) Number of shares issued (issue one) for private placement during the period. Stock Issued During Period For Private Placement, Value, Issues Two Stock issued for private placement Value of new stock issued (issue two) for private placement during the period. Stock Issued During Period For Private Placement Shares Issues Two Stock issued for private placement (in shares) Number of shares issued (issue two) for private placement during the period. Amortization Of Deferred Stock Based Compensation Related To Shares and Options Granted To Employees and Directors Amortization of deferred stock-based compensation related to shares and options granted to employees and directors Value of amortization of deferred stock-based compensation related to shares and options granted to employees and directors during the period. Stock Issued During Period For Private Placement In May Stock issued on May 12, 2005 for private placement at $0.80 per share Value of new stock issued for private placement during may. Stock Issued During Period For Private Placement Shares In May Stock issued on May 12, 2005 for private placement at $0.80 per share (in shares) Number of shares issued for private placement during may. Stock Issued During Period For Private Placement In July Stock issued on July 27, 2005 for private placement at $0.60 per share Value of new stock issued for private placement during july. Stock Issued During Period For Private Placement Shares In July Stock issued on July 27, 2005 for private placement at $0.60 per share (in shares) Number of shares issued for private placement during july. Stock Issued During Period For Private Placement In September Stock issued on September 30, 2005 for private placement at $0.80 per share Value of new stock issued for private placement during september. Stock Issued During Period For Private Placement Shares In September Stock issued on September 30, 2005 for private placement at $0.80 per share (in shares) Number of shares issued for private placement during september. Stock Issued During Period For Private Placement In December Stock issued on December 7, 2005 for private placement at $0.80 per share Value of new stock issued for private placement during December. Stock Issued During Period For Private Placement Shares In December Stock issued on December 7, 2005 for private placement at $0.80 per share (in shares) Number of shares issued for private placement during december. Forfeiture Of Options Granted To Employees Forfeiture of options granted to employees Value of forfeiture of options granted to employees. Adjustments To Additional Paid In Capital, Reclassification Due To Application Reclassification due to application of ASC 815-40-25 (formerly EITF 00-19) Changes in additional paid in capital related to reclassification due to application ASC 815-40-25 (formerly EITF 00-19) during the period. Debt Instrument, Convertible, Beneficial Conversion Feature Beneficial conversion feature related to convertible loans Elimination Of Deferred Stock Compensaiton Due To Implementation Elimination of deferred stock compensation due to implementation of ASC 718-10 (formerly SFAS 123(R) Vlaue of elimination of deferred stock compensation due to implementation of ASC 718-10 (formerly SFAS 123(R)) during the period. Adjustments To Additional Paid In Capital, Warrant Issued To Convertible Note Holder Warrants issued to convertible note holder Increase in additional paid in capital due to warrants issued to convertible note holder during the period. Adjustments To Additional Paid In Capital, Warrant Issued To Loan Holder Warrants issued to loan holder Increase in additional paid in capital due to warrants issued to convertible loan holder during the period. Stock Issued During Period, Value, Conversion Of Convertible Loans Conversion of convertible loans Value of stock issued during the period upon the conversion of convertible loans. Stock Issued During Period, Shares, Conversion Of Convertible Loans Conversion of convertible loans (in shares) Number of shares issued during the period upon the conversion of convertible loans. Stock Issued During Period, Value, New Issues Issuance of shares Stock Issued During Period, Shares, New Issues Issuance of shares (in shares) Adjustments To Additional Paid In Capital, Equity Component Of Convertible Debt Conversion of trade payable to stock Adjustments To Additional Paid In Capital, Subscription Of Shares For Private Placement Subscription of shares for private placement Increase in additional paid in capital due to the subscription of shares for private placement. Statements Of Changes In Stockholders Equity (Deficiency) Parenthetical [Abstract] Statements Of Changes In Stockholders Equity (Deficiency) Parenthetical [Abstract] Stock Issued During Period For Cash In September Price Per Share Price per share of stock issued on September for cash Price per share of new stock issued for cash during september. Stock Issued During Period For Cash In March Price Per Share Price per share of stock issued on March for cash Price per share of new stock issued for cash during march. Price Per Share Of Stock Issued During Period To Purchase Mineral Option Price per share of stock issued to purchase mineral option Price per share of stock issued to purchase mineral option during the period. Price Per Share Of Stock Issued During Period For Private Placement In June Price per share of stock issued On June for private placement Price per share of stock issued for private placement during the period in june. Stock Issued Expenses Stock issuance expenses (in dollars) The amount for stock expenses incurred directly with the issuance of an equity security. Price Per Share Of Stock Issued During Period For Private Placement Issue One Price per share of stock issued for private placement Price per share of stock issued (issue one) for private placement during the period. Price Per Share Of Stock Issued During Period For Private Placement In May Price per share of stock issued On May for private placement Price per share of stock issued for private placement in May during the period. Price Per Share Of Stock Issued During Period For Private Placement In July Price per share of stock issued On July for private placement Price per share of stock issued for private placement in july during the period. Price Per Share Of Stock Issued During Period For Private Placement In September Price per share of stock issued On September for private placement Price per share of stock issued for private placement in september during the period. Price Per Share Of Stock Issued During Period For Private Placement In December Price per share of stock issued On December for private placement Price per share of stock issued for private placement in december during the period. Price Per Share Of Subscription Of Shares During Period For Private Placement Price per share of subscription of shares for private placement Price per share of subscription of shares for private placement during the period. Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net Cash Provided By (Used In) Operating Activities [Abstract] Cash flows from operating activities: Adjustments To Reconcile Net Income (Loss) To Cash Provided By (Used In) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Other Depreciation and Amortization Depreciation and amortization of deferred charges Severance Costs Severance pay, net Increase (Decrease) In Interest Payable, Net Accrued interest on loans Amortization Of Debt Discount (Premium) Amortization of discount on short-term loans Amortization of discount on short-term loans Increase (Decrease) In Fair Value Of Derivative Instruments, Not Designated As Hedging Instruments Change in fair value of options and warrants Change in fair value of options and warrants Expenses Related To Shares and Options Granted To Service Providers Expenses related to shares and options granted to service providers The aggregate amount of expenses related to shares and options granted to service providers. Share-Based Compensation Stock-based compensation related to options granted to employees Increase In Accounts Receivable and Prepaid Expenses Decrease (increase) in accounts receivable and prepaid expenses The increase (decrease) during the reporting period in accounts receivable and prepaid expenses. Decrease (increase) in accounts receivable and prepaid expenses Increase (Decrease) In Accounts Payable, Trade Increase in trade payables and convertible note Increase (Decrease) In Other Accounts Payable and Accrued Liabilities Increase in other accounts payable and accrued expenses Erosion Of Restricted Cash Erosion of restricted cash Erosion of restricted cash during the period. Erosion of restricted cash Erosion of restricted cash Net Cash Provided By (Used In) Operating Activities, Continuing Operations Net cash used in continuing operating activities Net cash used in continuing operating activities Cash Provided By (Used In) Operating Activities, Discontinued Operations Net cash used in discontinued operating activities Net cash used in discontinued operating activities Net Cash Provided By (Used In) Operating Activities Total net cash used in operating activities Total net cash used in operating activities Net Cash Provided By (Used In) Investing Activities [Abstract] Cash flows from investing activities: Payments To Acquire Property, Plant, and Equipment Purchase of property and equipment Purchase of property and equipment Purchase of property and equipment Increase (Decrease) In Restricted Cash Restricted cash Increase (Decrease) in Restricted Cash, Total Restricted cash Investment In Lease Deposit Investment in lease deposit Investment in lease deposit Amount of investment made in the form of lease deposit during the year. Net Cash Provided By (Used In) Investing Activities, Continuing Operations Net cash used in continuing investing activities Net cash used in continuing investing activities Cash Provided By (Used In) Investing Activities, Discontinued Operations Net cash used in discontinued investing activities Net cash used in discontinued investing activities Net Cash Provided By (Used In) Investing Activities Total net cash provided by (used in) investing activities Total net cash used in investing activities Net Cash Provided By (Used In) Financing Activities [Abstract] Cash flows from financing activities: Proceeds From Issuance Of Common Stock Proceeds from issuance of Common stock, net Proceeds From Issuance Of Long-Term Debt and Capital Securities, Net Proceeds from loans, notes and issuance of warrants, net Proceeds from loans, notes and issuance of warrants, net Proceeds From Issuance Or Sale Of Equity Proceeds from exercise of warrants and options Repayments Of Other Short-Term Debt Repayment of short-term loans Repayment of short-term loans Repayment of short-term loans Net Cash Provided By (Used In) Financing Activities, Continuing Operations Net cash provided by continuing financing activities Net cash provided by continuing financing activities Cash Provided By (Used In) Financing Activities, Discontinued Operations Net cash provided by discontinued financing activities Net cash provided by discontinued financing activities Net Cash Provided By (Used In) Financing Activities Total net cash provided by financing activities Total net cash provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease) Increase (decrease) in cash and cash equivalents Noncash Investing and Financing Items [Abstract] Non-cash financing activities: Conversion Of Trade Payable To Common Stock Conversion of convertible loan and convertible note to shares Conversion of convertible loan and convertible note to shares Conversion of trade payable to Common Stock $ 84 The value of conversion of trade payable to common stock in non cash transaction. Conversion Of Convertible Note Conversion of a debt to a trade payable to Common Stock $ 84 The amount of the convertible note being converted in a noncash transaction. Conversion Of Other Accounts Payable To Common Stock Conversion of other accounts payable to Common Stock Conversion of other accounts payable to Common Stock The value of conversion of other accounts payable to common stock in non cash transaction. Consolidated Statements Of Cash Flows [Parenthetical] [Abstract] Consolidated Statements Of Cash Flows [Parenthetical] [Abstract] Conversion Of Debt To Trade Payable To Common Stock The value of conversion of a debt to a trade payable to common stock during the period. Conversion of debt to trade payable to common stock Accounting Policies [Abstract] Accounting Policies [Abstract] Business Description and Basis Of Presentation [Text Block] Business Description and Basis of Presentation [Text Block] Basis Of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation and Significant Accounting Policies [Text Block] Condensed Financial Information Of Parent Company Only Disclosure [Abstract] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Research and License Agreement [Abstract] Research and License Agreement [Abstract] Research and License Agreement [Text Block] Research and License Agreement [Text Block] The entire disclosure on research and license agreement entered by the entity. Consulting Agreements [Abstract] Consulting Agreements [Abstract] Consulting Agreements [Text Block] Consulting Agreements [Text Block] The entire disclosure for the consulting agreements with the consultants. Short Term Convertible Note [Abstract] Short Term Convertible Note [Abstract] Short Term Convertible Note [Text Block] Short Term Convertible Note [Text Block] The entire disclosure for short term convertible note. Short Term Convertible Loans [Abstract] Short Term Convertible Loans [Abstract] Short Term Convertible Loans [Text Block] Short Term Convertible Loans [Text Block] The entire disclosure for short term convertible Loans. Stockholders Equity Note [Abstract] Stockholders' Equity Note [Abstract] Stockholders Equity Note Disclosure [Text Block] Stockholders' Equity Note Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events [Text Block] Statement, Scenario [Axis] Scenario, Unspecified [Domain] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Equity Component [Domain] Equity Component [Domain] Quarterly Financial Information [Text Block] Quarterly Financial Information Disclosure [Abstract]