XML 31 R19.htm IDEA: XBRL DOCUMENT v3.21.1

Note 5 - Investment in Donlin Gold (Tables)

3 Months Ended

Feb. 28, 2021

Donlin Gold [Member]

Notes Tables

Equity Method Investments [Table Text Block]

		Three months ended
		February 28,				February 29,
		2021				2020
Balance – beginning of period		$	2,614			$	1,840
Share of losses
Mineral property expenditures			(1,901	)			(1,543	)
Depreciation			(67	)			(25	)
			(1,968	)			(1,568	)
Funding			2,946				2,600
Balance – end of period		$	3,592			$	2,872

		As of February 28,				As of November 30,
		2021				2020
Current assets: Cash, prepaid expenses and other receivables		$	3,672			$	2,654
Non-current assets: Property and equipment			1,320				1,339
Non-current assets: Mineral property			32,615				32,615
Current liabilities: Accounts payable and accrued liabilities			(1,307	)			(1,271	)
Non-current liabilities: Reclamation and lease obligations			(708	)			(723	)
Net assets		$	35,592			$	34,614

X

- Definition

Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ng_DonlinGoldMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: