$NG
NOVAGOLD RESOURCES INC Stock $ng

$ng Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000117184323000476 Filed on January 25, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$0.00	$0.00	$0.00
YoY Change
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$5.606M	$4.688M	$20.10M
YoY Change	8.33%	-6.33%	-0.5%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.000K	$1.000K	$7.000K
YoY Change	-50.0%	0.0%	0.0%
% of Gross Profit
Operating Expenses	$10.08M	$4.689M	$48.27M
YoY Change	9.38%	-6.33%	31.05%
Operating Profit	-$10.08M		-$48.27M
YoY Change	9.38%		31.05%
Interest Expense	-$5.750M	-$7.451M	-$33.75M
YoY Change	14.36%	58.3%	53.36%
% of Operating Profit
Other Income/Expense, Net	$2.225M	-$148.0K	$2.009M
YoY Change	324.62%	-72.02%	-1114.65%
Pretax Income	-$10.58M	-$12.29M	-$53.38M
YoY Change	5.89%	19.98%	32.12%
Income Tax	$75.00K	-$33.00K	-$33.00K
% Of Pretax Income
Net Earnings	-$10.66M	-$12.26M	-$53.34M
YoY Change	6.64%	19.34%	31.59%
Net Earnings / Revenue
Basic Earnings Per Share	-$0.03		-$0.16
Diluted Earnings Per Share	-$0.03	-$36.75K	-$160.1K
COMMON SHARES
Basic Shares Outstanding	334.0M		333.2K
Diluted Shares Outstanding

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$116.2M	$125.9M	$125.9M
YoY Change	-25.12%	-25.57%	-25.57%
Cash & Equivalents	$54.16M	$63.88M	$63.88M
Short-Term Investments	$62.00M	$62.00M	$62.00M
Other Short-Term Assets	$2.407M	$2.235M	$1.298M
YoY Change	83.74%	583.49%	5092.0%
Inventory
Prepaid Expenses	$969.0K	$1.298M
Receivables	$339.0K	$363.0K	$363.0K
Other Receivables	$24.93M	$25.00M	$25.00M
Total Short-Term Assets	$143.2M	$152.5M	$152.5M
YoY Change	-8.46%	-9.98%	-9.98%
LONG-TERM ASSETS
Property, Plant & Equipment	$911.0K	$958.0K	$958.0K
YoY Change	146.88%	126.48%	126.48%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$7.244M	$5.693M	$5.693M
YoY Change	-7.33%	5.31%	5.31%
Other Assets	$3.038M	$2.803M
YoY Change	11.94%	24.41%
Total Long-Term Assets	$8.155M	$6.651M	$6.651M
YoY Change	-74.49%	-77.38%	-77.38%
TOTAL ASSETS
Total Short-Term Assets	$143.2M	$152.5M	$152.5M
Total Long-Term Assets	$8.155M	$6.651M	$6.651M
Total Assets	$151.4M	$159.2M	$159.2M
YoY Change	-19.66%	-19.95%	-19.95%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$515.0K	$769.0K	$769.0K
YoY Change	-3.92%	12.76%	12.76%
Accrued Expenses	$810.0K	$2.674M	$2.674M
YoY Change	-12.15%	-6.54%	-6.54%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$2.474M	$4.599M	$4.599M
YoY Change	7.66%	4.93%	4.93%
LONG-TERM LIABILITIES
Long-Term Debt	$126.6M	$123.7M	$123.7M
YoY Change	8.01%	6.88%	6.88%
Other Long-Term Liabilities	$954.0K	$1.002M	$1.002M
YoY Change	114.86%	115.95%	115.95%
Total Long-Term Liabilities	$954.0K	$1.002M	$124.7M
YoY Change	114.86%	115.95%	7.32%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.474M	$4.599M	$4.599M
Total Long-Term Liabilities	$954.0K	$1.002M	$124.7M
Total Liabilities	$130.1M	$129.3M	$129.3M
YoY Change	8.4%	7.23%	7.23%
SHAREHOLDERS EQUITY
Retained Earnings	-$2.023B	-$2.013B
YoY Change	2.74%	2.72%
Common Stock	$1.985B	$1.984B
YoY Change	0.2%	0.28%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$21.30M	$29.90M	$29.90M
YoY Change
Total Liabilities & Shareholders Equity	$151.4M	$159.2M	$159.2M
YoY Change	-19.66%	-19.95%	-19.95%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	-$10.66M	-$12.26M	-$53.34M
YoY Change	6.64%	19.34%	31.59%
Depreciation, Depletion And Amortization	$1.000K	$1.000K	$7.000K
YoY Change	-50.0%	0.0%	0.0%
Cash From Operating Activities	-$4.493M	-$2.404M	-$12.37M
YoY Change	-25.15%	39.44%	25.43%
INVESTING ACTIVITIES
Capital Expenditures		$0.00	$0.00
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$5.188M	$4.563M	-$73.00K
YoY Change	-12.6%	-118.41%
Cash From Investing Activities	-$5.188M	$4.563M	-$12.36M
YoY Change	-12.6%	-118.41%	-130.61%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$0.00	0.000	-$2.122M
YoY Change	-100.0%		190.29%
NET CHANGE
Cash From Operating Activities	-$4.493M	-2.404M	-$12.37M
Cash From Investing Activities	-$5.188M	4.563M	-$12.36M
Cash From Financing Activities	$0.00	0.000	-$2.122M
Net Change In Cash	-$9.681M	2.159M	-$27.24M
YoY Change	-30.81%	-108.14%	-190.15%
FREE CASH FLOW
Cash From Operating Activities	-$4.493M	-$2.404M	-$12.37M
Capital Expenditures		$0.00	$0.00
Free Cash Flow		-$2.404M	-$12.37M
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	82216000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1959165000	usd
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CY2022Q2	dei	Entity Public Float EntityPublicFloat	1371290000	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	333965718
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-23289000	usd
CY2022	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2022	dei	Auditor Location AuditorLocation	Vancouver, Canada
CY2022Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	24421000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	2235000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	78282000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	152538000	usd
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	332400000
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001173420
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--11-30
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2022Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2022Q4	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P5Y
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001173420
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--11-30
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	0	usd
CY2021Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	23572000	usd
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	3576000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2253000	usd
CY2021Q4	us-gaap	Assets Assets	198852000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	682000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	2637000	usd
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CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4383000	usd
CY2021Q4	us-gaap	Long Term Notes Payable LongTermNotesPayable	115723000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	464000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	120570000	usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
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CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	332400000
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	1983962000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	1978520000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	82866000	usd
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CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-24417000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-23289000	usd
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CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	198852000	usd
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CY2022	us-gaap	Interest Expense Debt InterestExpenseDebt	7962000	usd
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	5922000	usd
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	6014000	usd
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CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-33000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	137000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-53343000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-40536000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-1128000	usd
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CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	587000	usd
CY2022	ng	Notes Receivable Accretion NotesReceivableAccretion	849000	usd
CY2021	ng	Notes Receivable Accretion NotesReceivableAccretion	2556000	usd
CY2020	ng	Notes Receivable Accretion NotesReceivableAccretion	3337000	usd
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CY2020	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	135000	usd
CY2022	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	0	usd
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CY2020	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	0	usd
CY2022	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	28435000	usd
CY2021	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	17587000	usd
CY2020	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	15276000	usd
CY2022	ng	Proceeds From Sale Of Mineral Property ProceedsFromSaleOfMineralProperty	0	usd
CY2020	ng	Proceeds From Sale Of Mineral Property ProceedsFromSaleOfMineralProperty	0	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-73000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-0	usd
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-0	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12362000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	40392000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	4724000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2122000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-387000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-27242000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	91124000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	60906000	usd
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	137954000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7057000	usd
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	usd
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1652000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-33564000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	932000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	110727000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8235000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	usd
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	731000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-40536000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	587000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	78282000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8214000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2122000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-53343000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1128000	usd
CY2022	ng	Notes Receivable Payments NotesReceivablePayments	0	usd
CY2021	ng	Notes Receivable Payments NotesReceivablePayments	75000000	usd
CY2020	ng	Notes Receivable Payments NotesReceivablePayments	0	usd
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	137954000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7057000	usd
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	usd
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1652000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-33564000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	932000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	110727000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8235000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	usd
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	731000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-40536000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	78282000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8214000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2122000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-53343000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1128000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	29903000	usd
CY2020	ng	Equity Method Investment Summarized Financial Information Accretion EquityMethodInvestmentSummarizedFinancialInformationAccretion	-0	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-28163000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-16625000	usd
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	24421000	usd
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	23572000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-14502000	usd
CY2022Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	1298000	usd
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	23572000	usd
CY2020Q4	us-gaap	Notes Receivable Net NotesReceivableNet	96016000	usd
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	92679000	usd
CY2022	ng	Notes Receivable Accretion NotesReceivableAccretion	849000	usd
CY2021	ng	Notes Receivable Accretion NotesReceivableAccretion	2556000	usd
CY2020	ng	Notes Receivable Accretion NotesReceivableAccretion	3337000	usd
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	23572000	usd
CY2020Q4	us-gaap	Notes Receivable Net NotesReceivableNet	96016000	usd
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	92679000	usd
CY2022	ng	Notes Receivable Accretion NotesReceivableAccretion	849000	usd
CY2021	ng	Notes Receivable Accretion NotesReceivableAccretion	2556000	usd
CY2020	ng	Notes Receivable Accretion NotesReceivableAccretion	3337000	usd
CY2022	ng	Notes Receivable Payments NotesReceivablePayments	0	usd
CY2021	ng	Notes Receivable Payments NotesReceivablePayments	75000000	usd
CY2020	ng	Notes Receivable Payments NotesReceivablePayments	0	usd
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	24421000	usd
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	23572000	usd
CY2020Q4	us-gaap	Notes Receivable Net NotesReceivableNet	96016000	usd
CY2020	ng	Equity Method Investment Summarized Financial Information Accretion EquityMethodInvestmentSummarizedFinancialInformationAccretion	-0	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-28163000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-16625000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-14502000	usd
CY2022Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	363000	usd
CY2021Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	302000	usd
CY2022Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	574000	usd
CY2021Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	0	usd
CY2022Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	1298000	usd
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	25000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	2235000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	327000	usd
CY2022Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	1845000	usd
CY2021Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	1830000	usd
CY2022Q4	ng	Office Equipment OfficeEquipment	19000	usd
CY2021Q4	ng	Office Equipment OfficeEquipment	27000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2803000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2253000	usd
CY2021Q4	us-gaap	Notes Payable NotesPayable	115723000	usd
CY2020Q4	us-gaap	Notes Payable NotesPayable	109801000	usd
CY2019Q4	us-gaap	Notes Payable NotesPayable	103787000	usd
CY2022	us-gaap	Interest Expense Debt InterestExpenseDebt	7962000	usd
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	5922000	usd
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	6014000	usd
CY2022Q4	us-gaap	Notes Payable NotesPayable	123685000	usd
CY2021Q4	us-gaap	Notes Payable NotesPayable	115723000	usd
CY2021Q4	ng	Remediation Noncurrent Liabilities RemediationNoncurrentLiabilities	280000	usd
CY2022Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	363000	usd
CY2021Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	302000	usd
CY2022Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	574000	usd
CY2021Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	0	usd
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	25000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	2235000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	327000	usd
CY2022Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	1845000	usd
CY2021Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	1830000	usd
CY2022Q4	ng	Office Equipment OfficeEquipment	19000	usd
CY2021Q4	ng	Office Equipment OfficeEquipment	27000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2803000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2253000	usd
CY2021Q4	us-gaap	Notes Payable NotesPayable	115723000	usd
CY2020Q4	us-gaap	Notes Payable NotesPayable	109801000	usd
CY2019Q4	us-gaap	Notes Payable NotesPayable	103787000	usd
CY2022	us-gaap	Interest Expense Debt InterestExpenseDebt	7962000	usd
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	5922000	usd
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	6014000	usd
CY2022Q4	us-gaap	Notes Payable NotesPayable	123685000	usd
CY2021Q4	us-gaap	Notes Payable NotesPayable	115723000	usd
CY2020Q4	us-gaap	Notes Payable NotesPayable	109801000	usd
CY2022Q4	ng	Lease Obligations Noncurrent LeaseObligationsNoncurrent	802000	usd
CY2021Q4	ng	Lease Obligations Noncurrent LeaseObligationsNoncurrent	184000	usd
CY2021Q4	ng	Lease Obligations Noncurrent LeaseObligationsNoncurrent	184000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1002000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	194000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	234000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	157000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	154000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	159000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	220000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1118000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	174000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	238000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	126000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5000	usd
CY2022	us-gaap	Lease Cost LeaseCost	369000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	750000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y7M6D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.058	pure
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7057000	usd
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	5796000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-33000	usd
CY2022Q4	ng	Remediation Current Liabilities RemediationCurrentLiabilities	1156000	usd
CY2021Q4	ng	Lease Obligations Current LeaseObligationsCurrent	224000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1298000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1064000	usd
CY2022Q4	ng	Remediation Noncurrent Liabilities RemediationNoncurrentLiabilities	200000	usd
CY2021Q4	ng	Remediation Noncurrent Liabilities RemediationNoncurrentLiabilities	280000	usd
CY2022Q4	ng	Lease Obligations Noncurrent LeaseObligationsNoncurrent	802000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	194000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	234000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	157000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	154000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	159000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	220000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1118000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	174000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	238000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	126000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5000	usd
CY2022	us-gaap	Lease Cost LeaseCost	369000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	750000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y7M6D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.058	pure
CY2022Q4	ng	Remediation Current Liabilities RemediationCurrentLiabilities	1156000	usd
CY2021Q4	ng	Remediation Current Liabilities RemediationCurrentLiabilities	840000	usd
CY2022Q4	ng	Lease Obligations Current LeaseObligationsCurrent	142000	usd
CY2021Q4	ng	Lease Obligations Current LeaseObligationsCurrent	224000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1298000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1064000	usd
CY2022Q4	ng	Remediation Noncurrent Liabilities RemediationNoncurrentLiabilities	200000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1002000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	464000	usd
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	333753116
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	333753116
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	332415547
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	332415547
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2022Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1845000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	464000	usd
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	333753116
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	333753116
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	332415547
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	332415547
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2022Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1845000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1830000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	8214000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	8235000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	7057000	usd
CY2021	us-gaap	Salaries And Wages SalariesAndWages	6599000	usd
CY2020	us-gaap	Salaries And Wages SalariesAndWages	6274000	usd
CY2021	us-gaap	Other General Expense OtherGeneralExpense	2544000	usd
CY2020	us-gaap	Other General Expense OtherGeneralExpense	2199000	usd
CY2021	us-gaap	Professional Fees ProfessionalFees	1849000	usd
CY2020	us-gaap	Professional Fees ProfessionalFees	2139000	usd
CY2021	ng	Corporate Communications And Regulatory Expense CorporateCommunicationsAndRegulatoryExpense	976000	usd
CY2021	us-gaap	Depreciation Depreciation	7000	usd
CY2020	us-gaap	Depreciation Depreciation	7000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	20210000	usd
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	18735000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	30783900
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8214000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8235000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7057000	usd
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8602000
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.43
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	1987000
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	6.71
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	2566000
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.88
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	306000
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	6.44
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7717000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.18
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y3M7D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	5801000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4486000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	5.20
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P1Y5M4D
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	5796000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	8235000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	7057000	usd
CY2022	us-gaap	Salaries And Wages SalariesAndWages	6710000	usd
CY2021	us-gaap	Salaries And Wages SalariesAndWages	6599000	usd
CY2020	us-gaap	Salaries And Wages SalariesAndWages	6274000	usd
CY2022	us-gaap	Other General Expense OtherGeneralExpense	2992000	usd
CY2021	us-gaap	Other General Expense OtherGeneralExpense	2544000	usd
CY2020	us-gaap	Other General Expense OtherGeneralExpense	2199000	usd
CY2022	us-gaap	Professional Fees ProfessionalFees	1177000	usd
CY2021	us-gaap	Professional Fees ProfessionalFees	1849000	usd
CY2020	us-gaap	Professional Fees ProfessionalFees	2139000	usd
CY2022	ng	Corporate Communications And Regulatory Expense CorporateCommunicationsAndRegulatoryExpense	1009000	usd
CY2021	ng	Corporate Communications And Regulatory Expense CorporateCommunicationsAndRegulatoryExpense	976000	usd
CY2020	ng	Corporate Communications And Regulatory Expense CorporateCommunicationsAndRegulatoryExpense	1059000	usd
CY2021	us-gaap	Depreciation Depreciation	7000	usd
CY2020	us-gaap	Depreciation Depreciation	7000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	20109000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	20210000	usd
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	18735000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	30783900
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8214000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8235000	usd
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8602000
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.43
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	1987000
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	6.71
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	2566000
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.88
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	306000
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	6.44
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7717000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.18
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y3M7D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	5801000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4486000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	5.20
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P1Y5M4D
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.465	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.472	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.461	pure
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0113	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.003	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.015	pure
CY2022	ng	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0.029	pure
CY2021	ng	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0.030	pure
CY2020	ng	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0.031	pure
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	2.49
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.63
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	2.70
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5723000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	12543000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	24137000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	2303000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-751000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-751000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.465	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.472	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.461	pure
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0113	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.003	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.015	pure
CY2022	ng	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0.029	pure
CY2021	ng	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0.030	pure
CY2020	ng	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0.031	pure
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	2.49
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.63
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	2.70
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5723000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	12543000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	24137000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	2303000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-751000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	1591000	usd
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	458000	usd
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	1744000	usd
CY2022	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	189000	usd
CY2020	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	431000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	595000	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-336000	usd
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-606000	usd
CY2022	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	366000	usd
CY2021	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	938000	usd
CY2020	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	-0	usd
CY2022	ng	Gain On Sale Of Mineral Property GainOnSaleOfMineralProperty	0	usd
CY2021	ng	Gain On Sale Of Mineral Property GainOnSaleOfMineralProperty	200000	usd
CY2020	ng	Gain On Sale Of Mineral Property GainOnSaleOfMineralProperty	0	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2009000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-198000	usd
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1569000	usd
CY2021	ng	Effective Income Tax Rate Reconciliation Combined Federal And Provincial Statutory Income Tax Rate Percent EffectiveIncomeTaxRateReconciliationCombinedFederalAndProvincialStatutoryIncomeTaxRatePercent	0.27	pure
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	110000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-33000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	27000	usd
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-30000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-33000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	137000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-30000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	1591000	usd
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	458000	usd
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	1744000	usd
CY2022	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	189000	usd
CY2021	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	418000	usd
CY2020	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	431000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	595000	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-336000	usd
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-606000	usd
CY2022	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	366000	usd
CY2021	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	938000	usd
CY2020	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	-0	usd
CY2022	ng	Gain On Sale Of Mineral Property GainOnSaleOfMineralProperty	0	usd
CY2021	ng	Gain On Sale Of Mineral Property GainOnSaleOfMineralProperty	200000	usd
CY2020	ng	Gain On Sale Of Mineral Property GainOnSaleOfMineralProperty	0	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2009000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-198000	usd
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1569000	usd
CY2021	ng	Effective Income Tax Rate Reconciliation Combined Federal And Provincial Statutory Income Tax Rate Percent EffectiveIncomeTaxRateReconciliationCombinedFederalAndProvincialStatutoryIncomeTaxRatePercent	0.27	pure
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	110000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-33000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	27000	usd
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-30000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-33000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	137000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-30000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	137000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-781000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-17062000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-17723000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-16447000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-36314000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-22676000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-17898000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-53376000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-40399000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-34345000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-53376000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-40399000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-34345000	usd
CY2022	ng	Effective Income Tax Rate Reconciliation Combined Federal And Provincial Statutory Income Tax Rate Percent EffectiveIncomeTaxRateReconciliationCombinedFederalAndProvincialStatutoryIncomeTaxRatePercent	0.27	pure
CY2021	ng	Effective Income Tax Rate Reconciliation Combined Federal And Provincial Statutory Income Tax Rate Percent EffectiveIncomeTaxRateReconciliationCombinedFederalAndProvincialStatutoryIncomeTaxRatePercent	0.27	pure
CY2020	ng	Effective Income Tax Rate Reconciliation Combined Federal And Provincial Statutory Income Tax Rate Percent EffectiveIncomeTaxRateReconciliationCombinedFederalAndProvincialStatutoryIncomeTaxRatePercent	0.27	pure
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-14412000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-10908000	usd
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CY2022	ng	Effective Income Tax Rate Reconciliation Foreign Accrual Property Income Amount EffectiveIncomeTaxRateReconciliationForeignAccrualPropertyIncomeAmount	666000	usd
CY2021	ng	Effective Income Tax Rate Reconciliation Foreign Accrual Property Income Amount EffectiveIncomeTaxRateReconciliationForeignAccrualPropertyIncomeAmount	771000	usd
CY2020	ng	Effective Income Tax Rate Reconciliation Foreign Accrual Property Income Amount EffectiveIncomeTaxRateReconciliationForeignAccrualPropertyIncomeAmount	652000	usd
CY2022	ng	Effective Income Tax Rate Reconciliation Consolidated Return For Us Subsidiaries EffectiveIncomeTaxRateReconciliationConsolidatedReturnForUSSubsidiaries	0	usd
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CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-22676000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-17898000	usd
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CY2022	ng	Effective Income Tax Rate Reconciliation Foreign Accrual Property Income Amount EffectiveIncomeTaxRateReconciliationForeignAccrualPropertyIncomeAmount	666000	usd
CY2021	ng	Effective Income Tax Rate Reconciliation Foreign Accrual Property Income Amount EffectiveIncomeTaxRateReconciliationForeignAccrualPropertyIncomeAmount	771000	usd
CY2020	ng	Effective Income Tax Rate Reconciliation Foreign Accrual Property Income Amount EffectiveIncomeTaxRateReconciliationForeignAccrualPropertyIncomeAmount	652000	usd
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CY2022Q4	ng	Deferred Tax Assets Investment In Noncontrolled Affiliates DeferredTaxAssetsInvestmentInNoncontrolledAffiliates	44713000	usd
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CY2022Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	233000	usd
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CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	271000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1232000	usd
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CY2022Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	usd
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CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	65000	usd
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CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	65000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	128000	usd
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CY2021	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	419000	usd
CY2020	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	67000	usd
CY2022	ng	Increase Decrease In Remediation Liability IncreaseDecreaseInRemediationLiability	-130000	usd
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CY2020	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	135000	usd
CY2022	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	1684000	usd
CY2021	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	1024000	usd
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CY2020	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	0	usd
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	376000	usd
CY2022	dei	Auditor Firm AuditorFirmId	238
CY2022	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	1684000	usd
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CY2020	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	2265000	usd
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CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	376000	usd
CY2022	dei	Auditor Firm AuditorFirmId	238

Files In Submission

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$NG
NOVAGOLD RESOURCES INC Stock $ng

2023 Q1 Form 10-K Financial Statement

#000117184323000476 Filed on January 25, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NG NOVAGOLD RESOURCES INC Stock $ng

2023 Q1 Form 10-K Financial Statement

#000117184323000476 Filed on January 25, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NG
NOVAGOLD RESOURCES INC Stock $ng