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Notes Receivable (Details Narrative) - USD ($)				3 Months Ended		9 Months Ended
Notes Receivable (Details Narrative) - USD ($)	Apr. 23, 2018	Jan. 31, 2018	Jan. 31, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 13, 2017
Accrued interest receivable								$ 251,000
Proceeds from issuance of common stock						5,917,000	$ 16,395,000
Net loss on sale of marketable securities				391,000		484,000
Laramide Resources Ltd [Member]
Promissory debt				$ 3,500,000		$ 3,500,000
Debt instrument, term						3 years
Debt interest rate				5.00%		5.00%
Debt principal amount due		$ 1,500,000		$ 750,000		$ 750,000
Cash receipts discounted at market rate				9.50%		9.50%
Number of issuance of common shares						1,982,483
Debt interest payments						$ 400,000
Laramide Resources Ltd [Member] \| Share-based Compensation Award, Tranche Two [Member]
Number of issuance of common shares		1,982,483	2,218,133	1,982,483
Proceeds from issuance of common stock				$ 400,000
Net loss on sale of marketable securities				400,000
Laramide Resources Ltd [Member] \| Share-based Compensation Award, Tranche First and Second [Member]
Number of issuance of common shares						4,200,816
Proceeds from issuance of common stock						$ 800,000
Net loss on sale of marketable securities						500,000
Laramide Resources Ltd [Member] \| January 5, 2019 [Member]
Debt principal amount due				1,500,000		1,500,000
Laramide Resources Ltd [Member] \| January 5, 2020 [Member]
Debt principal amount due				$ 2,000,000		$ 2,000,000
Maximum [Member] \| Laramide Resources Ltd [Member]
Debt interest rate				10.00%		10.00%
Alabama Graphite Corp. [Member]
Proceeds from debt	$ 1,800,000
Accrued interest receivable	$ 13,457			$ 12,227		$ 12,227
Debt instrument fair value of principal				$ 900,000		$ 900,000
Alabama Graphite Corp. [Member] \| Maximum [Member]
Secured loan									$ 2,000,000