Note 3 - Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Schedul of property, plant, and equipment

(In thousands)	June 30, 2019		December 31, 2018
Plant and equipment	$	130,218	$	109,911
Construction in process		10,252		12,066
Capitalized mine development cost		48,413		43,037
Less accumulated depreciation and amortization		(24,690)		(15,809)
Total property, plant and equipment, net	$	164,193	$	149,205