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Consolidated Statements of Cash Flow - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Operating activities |  |  |
Net income (loss) for the year | $ (14,785,000) | $ (8,418,000) | $ 4,534,000
Items not affecting cash: |  |  |
Stock based compensation | 951,000 | 787,000 | 915,000
Net realizable value adjustments | 7,802,000 | 10,263,000 | 318,000
Depreciation of capital assets | 1,818,000 | 1,812,000 | 1,860,000
Amortization of mineral properties | 2,445,000 | 2,601,000 | 1,743,000
Accretion expense | 576,000 | 577,000 | 508,000
Amortization of deferred loan costs | 71,000 | 108,000 | 121,000
Provision for reclamation | 4,000 | (5,000) | 5,000
Write-off of mineral properties | 0 | 11,000 | 0
Loss from equity investment | 0 | 0 | 5,000
Mark to market loss (gain) | 680,000 | (524,000) | (581,000)
Gain on sale of monetized contract | 0 | 0 | (3,540,000)
Gain on sale of assets | (16,000) | (18,000) | (2,000)
Gain (loss) on unrealized foreign exchange | 0 | (28,000) | 45,000
Accounts receivable | 22,000 | 9,000 | 2,000
Inventory | (8,190,000) | (2,997,000) | (10,495,000)
Prepaid expenses | 71,000 | 5,000 | (95,000)
Accounts payable and accrued liabilities | 108,000 | (196,000) | (706,000)
Net Cash Provided By Used In Operating Activities | (8,443,000) | 3,987,000 | (5,363,000)
Investing activities |  |  |
Mineral property costs | 0 | (9,000) | (31,000)
Decrease (increase) in bonding and other deposits | 0 | 19,000 | 0
Proceeds from sale of monetized contract | 0 | 0 | 3,540,000
Funding of equity investment | 0 | 0 | (5,000)
Proceeds from sale of capital assets | 18,000 | 18,000 | 0
Purchase of capital assets | (43,000) | (271,000) | (55,000)
Net Cash Provided By Used In Investing Activities | (25,000) | (243,000) | 3,449,000
Financing activities |  |  |
Issuance of common shares and warrants for cash | 4,805,000 | 0 | 10,000,000
Share issue costs | (431,000) | 0 | 902,000
Proceeds from exercise of warrants and stock options | 99,000 | 203,000 | 290,000
RSU redeemed for cash | (39,000) | (70,000) | (76,000)
Proceeds from debt financing | 893,000 | 0 | 0
Repayment of debt | 0 | (2,554,000) | (4,895,000)
Net Cash Provided By Used In Financing Activities | 5,327,000 | (2,421,000) | 4,417,000
Effects of foreign exchange rate changes on cash | 53,000 | 62,000 | 110,000
Increase (decrease) in cash, cash equivalents, and restricted cash | 3,088,000 | 1,385,000 | 2,393,000
Beginning cash, cash equivalents, and restricted cash | 15,215,000 | 13,830,000 | 11,437,000
Ending cash, cash equivalents, and restricted cash | $ 12,127,000 | $ 15,215,000 | $ 13,830,000

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- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Aggregate cash proceeds received from a combination of transactions that are classified as investing activities in which assets, which may include one or more investments, are sold to third-party buyers. This element can be used by entities to aggregate proceeds from all asset sales that are classified as investing activities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116856206&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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