UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net loss	$ (10,282)	$ (13,017)
Less: Loss from discontinued operations, net of income taxes	0	30
Loss from continuing operations	(10,282)	(12,987)
Adjustments to reconcile net loss from continuing operations to net cash used in operating activities:
Depreciation and amortization	5,073	6,486
Amortization of operating lease right-of-use assets	1,412	0
Amortization of deferred financing costs and debt discount	2,054	2,023
Change in fair value of equity linked liabilities	(9,999)	(3,439)
Change in deferred income taxes	6	31
Stock-based compensation	1,095	556
Paid-in-kind interest capitalized as principal on Second Lien Note Facility	4,097	0
Gain on dispositions	(76)	(305)
Changes in assets and liabilities
Accounts receivable	(5,960)	(2,663)
Inventory	(781)	(3,505)
Prepaid expenses and other assets	1,627	8,807
Operating lease liabilities	(1,370)	0
Accounts payable	10,433	2,872
Amounts due to plan sponsors	(108)	(969)
Accrued interest	(4,487)	(4,487)
Accrued expenses and other liabilities	657	2,418
Net cash used in operating activities from continuing operations	(6,609)	(5,162)
Net cash used in operating activities from discontinued operations	0	(30)
Net cash used in operating activities	(6,609)	(5,192)
Cash flows from investing activities:
Purchases of property and equipment, net	(1,921)	(2,646)
Net cash used in investing activities	(1,921)	(2,646)
Cash flows from financing activities:
Repayments of finance leases	(172)	(967)
Net activity from exercises of employee stock awards	(133)	(300)
Net cash used in financing activities	(305)	(1,267)
Net change in cash, cash equivalents and restricted cash	(8,835)	(9,105)
Cash, cash equivalents and restricted cash - beginning of period	18,860	44,407
Cash, cash equivalents and restricted cash - end of period	10,025	35,302
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid during the period for interest	13,630	15,883
Cash paid during the period for income taxes, net of refunds	0	(82)
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Paid-in-kind interest capitalized as principal on Second Lien Note Facility	$ 4,097	$ 0