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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Nov. 30, 2021 | Nov. 30, 2020 | Nov. 30, 2019
Cash flows used in operating activities |  |  |
(Loss) earnings for the year | $ (21,660) | $ 161,767 | $ (27,905)
Adjustments to reconcile net loss to cash flows in operating activities |  |  |
Amortization | 21 | 91 | 211
Office lease accounting | (15) | (7) |
Loss on working capital written-off upon joint venture formation |  | 18 |
Gain on derecognition of assets (note 4(a)) |  | (175,770) |
Loss on equity investment in Ambler Metals LLC (note 4(b)) | 13,082 | 2,855 |
Unrealized foreign exchange loss | 10 | 27 | 1
Stock-based compensation | 3,472 | 3,564 | 3,845
Net change in non-cash working capital |  |  |
Decrease (increase) in accounts receivable | 110 | 135 | (241)
Decrease (increase) in deposits and prepaid amounts | (101) | 535 | (100)
(Decrease) increase in accounts payable and accrued liabilities | (36) | (1,466) | 697
Cash flows used in operating activities | (5,117) | (8,251) | (23,492)
Cash flows from financing activities |  |  |
Proceeds from exercise of options | 416 | 217 | 208
Proceeds from exercise of warrants |  |  | 9,913
Cash flows from financing activities | 416 | 217 | 10,121
Cash flows from investing activities |  |  |
Acquisition of plant & equipment |  |  | (645)
Mineral properties funding |  |  | 10,200
Mineral claims | (119) |  |
Cash flows from investing activities | (119) |  | 9,555
Decrease in cash and cash equivalents | (4,820) | (8,034) | (3,816)
Effect of exchange rate on cash and cash equivalents | 3 | (15) | (1)
Cash and cash equivalents - beginning of year | 11,125 | 19,174 | 22,991
Cash and cash equivalents - end of the year | $ 6,308 | $ 11,125 | $ 19,174

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