Investment in BeMetals Corp. (Narrative) (Details) - USD ($)	1 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2019	Feb. 27, 2019	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net Investment Income [Line Items]
Unrealized gain (loss) on investment			$ 194,848	$ (381,924)	$ 47,420	$ (620,988)
BeMetals USA Corp [Member]
Net Investment Income [Line Items]
Fair value of common shares received		$ 786,032
Unrealized gain (loss) on investment			$ 194,848	$ (381,924)	$ 47,420	$ (620,988)
BeMetals Option Agreement [Member] | BeMetals USA Corp [Member]
Net Investment Income [Line Items]
Number of common shares received	10,000,000
Fair value of common shares received	$ 1,883,875