No definition available.

Name:	us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS AND SUPPLEMENTAL CASH FLOW INFORMATION (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Operating Activities:
Net loss	$ (2,467)	$ (2,775)	$ (5,754)	$ (5,949)
Reconciliation of net loss to cash used in operations:
Non-cash lease expense			2	7
Accretion of asset retirement obligations	32	30	138	156	$ 390
Costs incurred for restoration and reclamation activities			(167)	(333)
Amortization of note receivable discount				(299)
Depreciation and amortization	17	25	30	48
Stock compensation expense			28	15
Gain on disposal of fixed assets			(21)
Loss on sale of marketable securities				720
Effect of changes in operating working capital items:
Decrease/(Increase) in prepaids and other assets			(148)	234
(Decrease)/Increase in payables and accrued liabilities			(173)	1,077
Net Cash Used In Operating Activities			(6,065)	(4,324)
Cash Flows From Investing Activities
Proceeds from disposal of uranium assets, net				1,500
Proceeds from the sale of securities, net				536
Proceeds from note receivable				750
Capital expenditures			(87)
Net Cash (Used In)/Provided By Investing Activities			(87)	2,786
Cash Flows From Financing Activities:
Proceeds from note payable			331
Issuance of common stock, net			6,291	1,154
Payment of minimum withholding taxes on net share settlements of equity awards				(1)
Net Cash Provided By Financing Activities			6,622	1,153
Net increase/(decrease) in cash, cash equivalents and restricted cash			470	(385)
Cash, Cash Equivalents and Restricted Cash, Beginning of Period			5,667	5,309	5,309
Cash, Cash Equivalents and Restricted Cash, End of Period	$ 6,137	$ 4,924	6,137	4,924	$ 5,667
Cash Paid During the Period for:
Interest			$ 1	1
Supplemental Non-Cash Information with Respect to Investing and Financing Activities:
Securities received for payment of notes receivable – Laramide				750
Total Non-Cash Investing and Financing Activities for the Period				$ 750