CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 2,020	$ 7,015
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	3,820	3,603
Amortization of deferred loan costs	134	134
Stock-based compensation	873	1,960
Provision (recovery) for bad debts	76	(26)
Changes in operating assets and liabilities:
Receivables	1,188	1,378
Income taxes	91	1,706
Inventories	(154)	75
Prepaid expenses	845	817
Right of use asset, net		3
Accounts payable	(10,458)	(1,660)
Accrued expenses	(5,901)	(1,537)
Net cash (used in) provided by operating activities	(7,466)	13,468
Cash flows from investing activities:
Change in construction payable	(2,876)	2,084
Acquisition of property and equipment	(10,839)	(38,217)
Net cash used in investing activities	(13,715)	(36,133)
Cash flows from financing activities:
Long-term debt borrowings		16,020
Net cash provided by financing activities		16,020
Change in cash and cash equivalents	(21,181)	(6,645)
Cash and cash equivalents at beginning of period	60,539	30,462
Cash and cash equivalents at end of period	$ 39,358	$ 23,817