Consolidated Statement of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Operating activities:
Net income	$ 7,621	$ 33,076
Deferred income taxes	(2,287)	(16,446)
Equity (income) loss	187	(365)
Cash distributions		175
DD&A	44,167	38,495
Loss on sale of assets	561	45
Unrealized loss on marketable securities	226
Change in fair value of interest rate swaps	2,182	(723)
Amortization and write off of deferred financing costs	2,024	1,829
Amortization of purchased coal contracts		8,922
Accretion of ARO	1,167	861
Stock-based compensation	3,170	7,266
Allowance for parts and supplies inventory obsolescence	800
Change in current assets and liabilities:
Accounts receivable	(1,666)	5,533
Inventory	(7,703)	(2,704)
Parts and supplies	(402)	48
Prepaid income taxes	293	(3,226)
Prepaid expenses	(4,853)	(4,823)
Accounts payable and accrued liabilities	5,701	(815)
Other	382	(1,377)
Cash provided by operating activities	51,570	65,771
Investing activities:
Capital expenditures	(35,091)	(28,622)
Proceeds from sale of equipment	77	506
Proceeds from maturities of certificates of deposit	1,007	5,820
Proceeds from sale of business	8,000
Cash used in investing activities	(26,007)	(22,296)
Financing activities:
Payments of bank debt	(38,793)	(36,625)
Bank borrowings	19,000
Deferred financing costs	(730)
Proceeds from Bulldog property		4,940
Proceeds from noncontrolling interests (Note 15)	4,000
Taxes paid on vesting of RSUs	(298)	(3,209)
Dividends	(4,942)	(4,892)
Cash used in financing activities	(21,763)	(39,786)
Increase in cash ,cash equivalents, and restricted cash	3,800	3,689
Cash, cash equivalents, and restricted cash beginning of year	16,294	12,605
Cash, cash equivalents, and restricted cash end of year	20,094	16,294
Cash, cash equivalents, and restricted cash consists of the following:
Cash, cash equivalents, and restricted cash, Total	16,294	12,605
Supplemental cash flow information:
Cash paid for interest	11,433	11,663
Cash paid for income taxes, net		1,562
Cash received for income taxes, net	(2,081)
Capital expenditures included in accounts payable and prepaid expense		$ 7,615
Capital expenditures included in accounts payable, net	$ (4,837)