CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended 159 Months Ended 162 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Mar. 31, 2014
Cash flows from operating activities:            
Net loss $ (2,111) $ (1,082) $ (4,899) $ (3,430) $ (52,407) [1] $ (54,518) [2]
Less - loss for the period from discontinued operations 0 0 0 0 164 [1] 164 [2]
Adjustments to reconcile net loss to net cash used in operating activities:            
Depreciation and amortization of deferred charges 25 33 97 157 1,255 1,280 [2]
Accrued interest on loans 0 0 0 0 451 451 [2]
Amortization of discount on short-term loans 0 0 0 0 1,864 1,864 [2]
Change in fair value of options and warrants   0 0 0 (795) (795) [2]
Expenses related to shares and options granted to service providers 110 128 227 195 21,908 22,018 [2]
Amortization of deferred stock-based compensation related to options granted to employees 122 203 674 560 8,055 8,177 [2]
Decrease (increase) in accounts receivable and prepaid expenses 117 128 (155) (426) (943) (826) [2]
Increase (decrease) in trade payables and convertible note 98 (112) (130) 114 701 799 [2]
Increase in other accounts payable and accrued expenses 177 32 306 (105) 1,610 1,787 [2]
Revaluation of warrants 1,071 0 (174) 0 (174) 897 [2]
Erosion of restricted cash 0 0 0 0 (6) (6) [2]
Net cash used in continuing operating activities (391) (670) (4,054) (2,935) (18,317) (18,708) [2]
Net cash used in discontinued operating activities 0 0 0 0 (23) (23) [2]
Total net cash used in operating activities (391) (670) (4,054) (2,935) (18,340) (18,731) [2]
Cash flows from investing activities:            
Purchase of property and equipment (94) (20) (108) (90) (1,331) (1,425) [2]
Restricted cash 0 0 0 0 6 6 [2]
Changes in short-term deposit 0 997 2,769 (2,750) 0 0 [2]
Investment in lease deposit 9 (6) (5) 0 (22) (13) [2]
Net cash (used in) provided by continuing investing activities (85) 971 2,656 (2,840) (1,347) (1,432) [2]
Net cash used in discontinued investing activities 0 0 0 0 (16) (16) [2]
Total net cash (used in) provided by investing activities (85) 971 2,656 (2,840) (1,363) (1,448) [2]
Cash flows from financing activities:            
Proceeds from issuance of Common stock, net 0 250 3,576 5,023 20,918 20,918 [2]
Proceeds from loans, notes and issuance of warrants, net 0 0 0   2,061 2,061 [2]
Proceeds from exercise of warrants and options 0 0 8 146 785 785 [2]
Repayment of short-term loans 0 0 0 0 (601) (601) [2]
Net cash provided by continuing financing activities 0 250 3,584 5,169 23,163 23,163 [2]
Net cash provided by discontinued financing activities 0 0 0 0 43 43 [2]
Total net cash provided by financing activities 0 250 3,584 5,169 23,206 23,206 [2]
Increase (decrease) in cash and cash equivalents (476) 551 2,186 (606) 3,503 3,027 [2]
Cash and cash equivalents at the beginning of the period 3,503 1,317 1,317 1,923 0 [2] 0 [2]
Cash and cash equivalents at end of the period $ 3,027 [2] $ 1,868 $ 3,503 $ 1,317 $ 3,503 $ 3,027 [2]
[1] Out of which, $163, relating to the period from inception to March 31 2004, is unaudited.
[2] 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.