PLANT AND EQUIPMENT AND MINERAL PROPERTIES

3 Months Ended

Mar. 31, 2018

Property, Plant and Equipment [Abstract]

Plant and Equipment and Mineral Properties

PLANT AND EQUIPMENT AND MINERAL PROPERTIES

The following is a summary of plant and equipment:

	March 31, 2018							December 31, 2017
	Cost		Accumulated Depreciation			Net Book Value		Cost		Accumulated Depreciation			Net Book Value
Plant and equipment
Nichols Ranch	$	29,210	$	(10,483	)	$	18,727	$	29,210	$	(9,971	)	$	19,239
Alta Mesa	13,626		(1,621		)	12,005		13,626		(1,388		)	12,238
Equipment and other	13,381		(11,862		)	1,519		13,367		(11,768		)	1,599
Plant and equipment total	$	56,217	$	(23,966	)	$	32,251	$	56,203	$	(23,127	)	$	33,076

The following is a summary of mineral properties:

	March 31, 2018		December 31, 2017
Mineral properties
Uranerz ISR properties (a)	$	25,974	$	25,974
Sheep Mountain	34,183		34,183
Roca Honda	22,095		22,095
Other	1,287		1,287
Mineral properties total	$	83,539	$	83,539

a)     In the three months ended March 31, 2017, the Company did not renew certain mineral leases and recorded abandonment expense of $0.25 million in the statement of operations.