CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 147 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Cash flows from operating activities:      
Net loss $ (3,430) $ (3,918) $ (47,508) [1],[2]
Less - loss for the period from discontinued operations 0 0 164 [1],[2]
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation and amortization of deferred charges 157 153 1,158 [1]
Severance pay, net 5 (23) 17 [1]
Accrued interest on loans 0 3 451 [1]
Amortization of discount on short-term loans 0 0 1,864 [1]
Change in fair value of options and warrants 0 0 (795) [1]
Expenses related to shares and options granted to service providers 195 449 21,681 [1]
Stock-based compensation related to options granted to employees 560 1,135 7,381 [1]
Decrease (increase) in accounts receivable and prepaid expenses (407) 105 (788) [1]
Increase (decrease) in trade payables and convertible note 114 (63) 831 [1]
Increase (decrease) in other accounts payable and accrued expenses (110) (64) 1,287 [1]
Erosion of restricted cash 0 0 (6) [1]
Net cash used in continuing operating activities (2,916) (2,223) (14,263) [1]
Net cash used in discontinued operating activities 0 0 (23) [1]
Total net cash used in operating activities (2,916) (2,223) (14,286) [1]
Cash flows from investing activities:      
Purchase of property and equipment (90) (48) (1,223) [1]
Restricted cash 0 0 6 [1]
Investment in short-term deposit (2,769) 0 (2,769) [1]
Investment in lease deposit 0 (16) (17) [1]
Net cash used in continuing investing activities (2,859) (64) (4,003) [1]
Net cash used in discontinued investing activities 0 0 (16) [1]
Total net cash used in investing activities (2,859) (64) (4,019) [1]
Cash flows from financing activities:      
Proceeds from issuance of Common stock, net 5,023 3,602 17,342 [1]
Proceeds from loans, notes and issuance of warrants, net   0 2,061 [1]
Credit from bank 0 0 0 [1]
Proceeds from exercise of warrants and options 146 515 777 [1]
Repayment of short-term loans 0 0 (601) [1]
Net cash provided by continuing financing activities 5,169 4,117 19,579 [1]
Net cash provided by discontinued financing activities 0 0 43 [1]
Total net cash provided by financing activities 5,169 4,117 19,622 [1]
Increase (decrease) in cash and cash equivalents (606) 1,830 1,317 [1]
Cash and cash equivalents at the beginning of the period 1,923 93 0 [1]
Cash and cash equivalents at end of the period 1,317 [1] 1,923 1,317 [1]
Non-cash financing activities:      
Conversion of convertible loan and convertible note to shares Conversion of trade payable to Common Stock $ 84 0 140 0 [1]
Conversion of other accounts payable to Common Stock 0 (24) 0 [1]
Conversion of a trade payable to Common Stock $ 0 $ 0 $ 0 [1]
[1] Out of the which, cash flows used in discontinued operating activities of $36, cash flows used in discontinued investing activities of $16 and cash flows provided in discontinued financing activities of $57, relating to the period from inception to March 31, 2004, is unaudited.
[2] Out of which, $163, relating to the period from inception to March 31 2004, is unaudited.