Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net loss	$ (68,399)	$ (32,607)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	29,404	30,543
Share-based compensation	925	1,103
Deferred tax benefit	(112)	(22)
Impairment of goodwill	19,222	0
Gain on disposal of assets	(4,552)	(1,337)
Bad debt expense	3,170	120
Amortization of debt discount/deferred financing costs/premium conversion	8,746	1,043
Interest paid-in-kind	9,113	4,285
Changes in operating assets and liabilities, net of effects of acquisition:
Accounts receivable	18,692	(9,645)
Prepaid expenses and other assets	2,161	(2,663)
Accounts payable - trade	(8,475)	6,929
Accounts payable - related parties	0	(11)
Accrued expenses	(1,667)	505
Depreciation and amortization	1,041	995
Net cash provided by (used in) operating activities	9,269	(762)
Cash flows from investing activities:
Purchases of property and equipment	(12,768)	(18,855)
Purchase of Cretic, net of cash acquired	285	(67,202)
Proceeds from sale of property and equipment	13,991	4,402
Net cash provided by (used in) investing activities	1,508	(81,655)
Cash flows from financing activities:
Payments for finance leases	(5,038)
Payments for finance leases		(2,327)
Proceeds from Revolving Loan Agreement	4,000	0
(Payments for) proceeds from Term Loan Agreement	(12,598)	10,000
Proceeds from PIK Notes	4,422	0
Payments for debt issuance costs	0	(2,580)
(Payments for) proceeds from Bridge Loan	(4,422)	50,000
Net cash provided by (used in) financing activities	(13,636)	55,093
Net decrease in cash, cash equivalents and cash - restricted	(2,859)	(27,324)
Cash, cash equivalents and cash - restricted:
Beginning of period	8,156	35,480
End of period	$ 5,297	$ 8,156