Notes Receivable (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Notes Receivable

The following tables show the notes receivable, accrued interest and unamortized discount on the Company’s notes receivable as of December 31, 2017. The Company had no notes receivable at December 31, 2016.

	December 31, 2017
(thousands of dollars)	Note Amount		Plus Accrued  Interest		Less  Unamortized  Note  Discount			Note Balance  per Balance  Sheet
Current Assets
Notes receivable Laramide – current	$	1,500	$	250	$	-		$	1,750
Subtotal Notes Receivable – current	$	1,500	$	250	$	-		$	1,750
Non-current Assets
Notes receivable – Laramide – non-current	$	3,500	$	-	$	(1,005	)	$	2,495
Notes receivable – Alabama Graphite Corp.		832		1		-			833
Subtotal Notes Receivable – non-current	$	4,332	$	1	$	(1,005	)	$	3,328
Total Notes Receivable – current and non-current	$	5,832	$	251	$	(1,005	)	$	5,078