Mineral Properties and Interests (Tables)

12 Months Ended

Dec. 31, 2018

Mineral Industries Disclosures [Abstract]

Schedule of mineral properties and interests

	December 31,
	2018			2017
Initial lease fee
Kiewit, Cactus Mill and all other sites	$	600,000		$	600,000
		600,000			600,000
Asset retirement costs
Kiewit Site		452,193			789,026
Kiewit Exploration		11,126			10,780
Cactus Mill		26,234			16,133
		489,553			815,939
		1,089,553			1,415,939
Accumulated amortization		(210,552	)		(210,552	)
Total	$	879,001		$	1,205,387