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CONDENSED CONSOLIDATED INTERIM STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Aug. 31, 2015
Aug. 31, 2014
Aug. 31, 2015
Aug. 31, 2014
Operating activities:        
Net loss $ (6,301) $ (12,009) $ (24,784) $ (33,381)
Adjustments to reconcile net income to net cash used in operating activities:        
Depreciation 8 9 26 27
Deferred income taxes 10 1 14 (5)
Foreign exchange gain (1,141) (173) (4,356) (1,521)
Share-based compensation 1,673 1,886 7,730 8,451
Equity losses of affiliates 2,457 5,709 9,018 12,946
Write-down of investments 0 0 426 0
Other 1,018 1,379 3,704 4,164
Withholding tax on stock based compensation 0 0 (827) (636)
Net change in operating assets and liabilities (note 10) 521 1,525 (864) 2,594
Net cash used in operations (1,755) (1,673) (9,913) (7,361)
Investing activities:        
Additions to property and equipment 0 0 0 (22)
Proceeds from term deposits 40,000 50,000 135,000 160,000
Purchases of term deposits (40,000) (45,000) (125,000) (150,000)
Funding of affiliates (2,757) (3,799) (9,219) (12,990)
Net cash provided from (used in) investing activities (2,757) 1,201 781 (3,012)
Financing activities:        
Repayment of debt 0 0 (15,829) 0
Net cash provided from financing activities 0 0 (15,829) 0
Effect of exchange rate changes on cash (197) (13) (377) (45)
Decrease in cash and cash equivalents (4,709) (485) (25,338) (10,418)
Cash and cash equivalents at beginning of period 49,696 71,329 70,325 81,262
Cash and cash equivalents at end of period $ 44,987 $ 70,844 $ 44,987 $ 70,844