Cash paid for reclamation and remediation activities

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Change in value of convertible debentures

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Mineral Properties Abandonment Costs

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Miscellaneous non- cash income (expenses)

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Proceeds From Royalty Interest, Net Of Share Issuance Costs

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Warrant Liability Transferred To Upon Equity Exercise

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Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

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Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.

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Amount of expense (income) related to adjustment to fair value of warrant liability.

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Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The increase (decrease) during the reporting period in the amount due from customers for the credit sale of goods and services; includes accounts receivable and other types of receivables.

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The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.

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Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.

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The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.

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The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.

+ References

No definition available.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
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Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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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=109197908&loc=SL79508275-113901

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-Publisher FASB
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-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
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The cash inflow associated with the amount received from holders exercising their stock warrants.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Statement of Cash Flows [Abstract]
Net loss for the period	$ (6,939)	$ (12,134)	$ (13,897)	$ (10,829)	$ (28,387)	$ (17,582)
Items not involving cash:
Depletion, depreciation and amortization					921	3,480
Stock-based compensation					2,498	2,241
Change in value of convertible debentures	(940)		1,455		(447)	1,135
Change in value of warrant liabilities					(3,281)	3,802
Accretion of asset retirement obligation	484		459		1,478	1,376	$ 1,835
Unrealized foreign exchange (gains) losses					142	(447)
Impairment of inventories	2,330		714		8,412	3,063
Revision of asset retirement obligation					151	0
Impairment of mineral properties held for sale					0	0
Acquisition of royalty interests, net of share issuance costs					0	3,622
Other non-cash expenses					2,367	392
Changes in assets and liabilities
Increase in inventories					(12,854)	(214)
Decrease (increase) in trade and other receivables					234	(145)
Increase in prepaid expenses and other assets					(236)	(760)
Decrease in accounts payable and accrued liabilities					(2,688)	(2,678)
Cash paid for reclamation and remediation activities					0	(225)
Changes in deferred revenue					(2,724)	2,434
Net cash (used in) provided by operating activities					(34,698)	388
INVESTING ACTIVITIES
Purchase of mineral properties and plant, property and equipment					0	(55)
Maturities and sales of marketable securities					19,530	2,565
Maturities and sales of marketable securities					0	2,940
Purchase of available for sale investments					0	(25,525)
Net cash (used in) provided by investing activities					19,530	(20,075)
FINANCING ACTIVITIES
Issuance of common shares for cash, net of issuance cost					14,696	25,638
Proceeds from notes payable					0	(914)
Proceeds from Collection of Notes Receivable					0	500
Repayment of loans and borrowings					(79)	(10,855)
Cash received from exercise of warrants					5	366
Cash received from exercise of stock options					146	619
Cash received from non-controlling interest					46	0
Cash received for notes receivable					801	0
Net cash (used in) provided by financing activities					15,615	15,354
CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH DURING THE PERIOD					447	(4,333)
Effect of exchange rate fluctuations on cash held in foreign currencies					43	(38)
Cash, cash equivalents and restricted cash - beginning of period		$ 34,292		$ 40,701	34,292	40,701	40,701
CASH, CASH EQUIVALENTS AND RESTRICTED CASH - END OF PERIOD	$ 34,782		$ 36,330		34,782	36,330	$ 34,292
Supplemental disclosure of cash flow information:
Interest					1,110	1,008
Warrant liability transferred to equity upon exercise					$ 2	$ 0