Condensed Consolidated Interim Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023
Operating activities:
Net loss	$ (10,743)	$ (11,074)	$ (34,761)	$ (36,382)
Adjustments:
Equity loss – Donlin Gold	2,814	3,978	9,765	15,996
Share-based compensation	515	2,225	5,319	6,526
Interest expense on promissory note	3,833	3,433	11,132	9,589
Gain on sale of mineral property	0	0	(743)	(556)
Change in fair value of marketable securities	(7)	45	(978)	(333)
Foreign exchange (gain) loss	21	21	13	(15)
Accretion of note receivable	0	(145)	0	(579)
Other operating adjustments	2	4	32	43
Net change in operating assets and liabilities (Note 13)	(474)	210	(388)	(254)
Net cash used in operating activities	(4,039)	(1,303)	(10,609)	(5,965)
Investing activities:
Proceeds from term deposits	0	0	80,000	62,000
Purchases of term deposits	0	(24,000)	(60,000)	(86,000)
Proceeds from note receivable	0	25,000	0	25,000
Funding of Donlin Gold	(2,864)	(2,475)	(10,198)	(15,247)
Proceeds from sale of mineral property	0	0	743	556
Acquisition of property and equipment	(0)	133	(0)	147
Sale of marketable equity investments	59	0	59	0
Net cash provided from (used in) investing activities	(2,805)	(1,608)	10,604	(13,838)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Withholding tax on share-based compensation	157	(0)	174	(0)
Net cash used in financing activities	(157)	0	(174)	0
Effect of exchange rate changes on cash and cash equivalents	5	36	2	0
Increase (decrease) in cash and cash equivalents	(6,996)	(2,875)	(177)	(19,803)
Cash and cash equivalents at beginning of period	52,568	46,954	45,749	63,882
Cash and cash equivalents at end of period	$ 45,572	$ 44,079	$ 45,572	$ 44,079