CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS AND SUPPLEMENTAL CASH FLOW INFORMATION (unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Operating Activities:
Net loss	$ (3,287)	$ (3,174)
Reconciliation of net loss to cash used in operations:
Non-cash lease expense		5
Accretion of asset retirement obligations	106	126	$ 390
Costs incurred for restoration and reclamation activities	(26)	(335)
Amortization of note receivable discount		(123)
Depreciation and amortization	13	23
Stock compensation expense		8
Loss on sale of marketable securities		720
Increase in prepaids and other assets	(352)	(32)
Increase in payables and accrued liabilities	91	42
Net Cash Used In Operating Activities	(3,455)	(2,740)
Cash Flows From Investing Activities
Proceeds from disposal of uranium assets, net		500
Proceeds from the sale of securities, net		536
Proceeds from note receivable		750
Net Cash Provided By Investing Activities		1,786
Cash Flows From Financing Activities:
Issuance of common stock, net	2,471	415
Payment of minimum withholding taxes on net share settlements of equity awards		(1)
Net Cash Provided By Financing Activities	2,471	414
Net decrease in cash, cash equivalents and restricted cash	(984)	(540)
Cash, Cash Equivalents and Restricted Cash, Beginning of Period	5,667	5,309	5,309
Cash, Cash Equivalents and Restricted Cash, End of Period	4,683	4,769	$ 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