Summary of Accounting Policies (Schedule of Ownership Percentage) (Details)	Jun. 30, 2022	Sep. 10, 2021	Jun. 30, 2021
DTRC LLC [Member]
Class of Stock [Line Items]
Percentage owned		51.00%
DTRC LLC [Member] | US [Member]
Class of Stock [Line Items]
Percentage owned	100.00%		63.00%
JR Resources (Canada) Services Corp. [Member] | Canada [Member]
Class of Stock [Line Items]
Percentage owned	100.00%		100.00%
Dakota Gold Holdings LLC [Member] | US [Member]
Class of Stock [Line Items]
Percentage owned	100.00%
Dakota Gold (Canada) Services Corp. [Member] | Canada [Member]
Class of Stock [Line Items]
Percentage owned	100.00%