CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Sales, net	$ 28,005	$ 26,578
Depreciation and amortization	7,398	3,646
Reclamation and remediation	38	16
Total mine cost of sales	28,321	21,139
Mine gross (loss) profit	(316)	5,439
Costs and expenses:
General and administrative expenses	2,274	2,011
Other expense, net	1,513	25
Total costs and expenses	4,942	3,486
(Loss) income before income taxes	(5,258)	1,953
Provision for income taxes	(2,137)	1,071
Net (loss) income	$ (3,121)	$ 882
Net (loss) income per common share:
Basic and diluted	$ (0.05)	$ 0.01
Weighted average shares outstanding:
Basic	66,022,202	60,672,133
Diluted	66,022,202	61,142,088
Production costs
Total mine cost of sales	$ 20,885	$ 17,477
Exploration expenses
Costs and expenses:
Total costs and expenses	$ 1,155	$ 1,450