UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net loss	$ (28,156)	$ (49,243)
Less: Loss from discontinued operations, net of income taxes	(45)	(672)
Loss from continuing operations, net of income taxes	(28,111)	(48,571)
Adjustments to reconcile net loss from continuing operations, net of income taxes to net cash used in operating activities:
Depreciation and amortization	12,852	14,232
Amortization of deferred financing costs and debt discount	4,071	2,875
Change in fair value of equity linked liabilities	(375)	0
Change in deferred income taxes	56	1,223
Stock-based compensation	1,809	954
(Gain) loss on dispositions	(318)	685
Loss on extinguishment of debt	0	13,453
Changes in assets and liabilities:
Receivables	(11,397)	8,491
Inventory	12,759	7,343
Prepaid expenses and other assets	10,054	5,473
Accounts payable	(16,702)	(10,979)
Amounts due to plan sponsors	(2,437)	1,027
Accrued interest	23	31
Accrued expenses and other liabilities	(2,566)	(601)
Net cash used in operating activities from continuing operations	(20,282)	(4,364)
Net cash used in operating activities from discontinued operations	(45)	(672)
Net cash used in operating activities	(20,327)	(5,036)
Cash flows from investing activities:
Purchases of property and equipment	(6,946)	(4,292)
Net cash used in investing activities	(6,946)	(4,292)
Cash flows from financing activities:
Proceeds from priming credit agreement, net of issuance costs	0	23,060
Fees attributable to extinguishment of debt	0	(311)
Proceeds from issuance of equity, net of issuance costs	0	20,776
Borrowings of long-term debt, net of expenses	10,000	294,446
Borrowings on revolving credit facility	0	563
Repayments on revolving credit facility	0	(55,863)
Principal payments of long-term debt	0	(236,770)
Repayments of capital leases	(1,185)	(401)
Net activity from exercises of employee stock awards	(179)	(153)
Net cash provided by financing activities	8,636	45,347
Net change in cash and cash equivalents	(18,637)	36,019
Cash and cash equivalents - beginning of period	44,407	9,569
Cash and cash equivalents - end of period	25,770	45,588
DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest	23,146	22,613
Cash paid during the period for income taxes	51	126
DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Entry into capital lease	$ 0	$ 1,327