UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net loss	$ (13,017)	$ (19,718)
Less: Loss from discontinued operations, net of income taxes	(30)	(299)
Loss from continuing operations, net of income taxes	(12,987)	(19,419)
Adjustments to reconcile net loss from continuing operations, net of income taxes to net cash used in operating activities:
Depreciation and amortization	6,486	7,165
Amortization of deferred financing costs and debt discount	2,023	1,318
Change in fair value of equity linked liabilities	(3,439)	0
Change in deferred income tax	31	619
Compensation under stock-based compensation plans	556	521
Gain on dispositions	(305)	0
Changes in assets and liabilities:
Receivables	(2,663)	2,210
Inventory	(3,505)	5,616
Prepaid expenses and other assets	8,807	3,601
Accounts payable	2,872	(10,936)
Amounts due to plan sponsors	(969)	645
Accrued interest	(4,487)	(1,157)
Accrued expenses and other liabilities	2,418	(917)
Net cash used in operating activities from continuing operations	(5,162)	(10,734)
Net cash used in operating activities from discontinued operations	(30)	(299)
Net cash used in operating activities	(5,192)	(11,033)
Cash flows from investing activities:
Purchases of property and equipment	(2,646)	(1,684)
Net cash used in investing activities	(2,646)	(1,684)
Cash flows from financing activities:
Proceeds from priming credit agreement, net	0	23,060
Proceeds from private issuances, net	0	5,052
Borrowings on revolving credit facility	0	563
Repayments on revolving credit facility	0	(1,000)
Principal payments of long-term debt	0	(3,137)
Repayments of capital leases	(967)	(238)
Net activity from exercises of employee stock awards	(300)	(51)
Net cash (used in) provided by financing activities	(1,267)	24,249
Net change in cash and cash equivalents	(9,105)	11,532
Cash, cash equivalents, and restricted cash - beginning of period	44,407	9,569
Cash, cash equivalents, and restricted cash - end of period	35,302	21,101
DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest	15,883	12,548
Cash (refunded) paid during the period for income taxes	$ (82)	$ 125