Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Consolidated net income (loss)	$ 29,739	$ (4,183)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	33,645	35,664
Gain on legal settlement	(21,474)
Amortization of intangibles, contract costs, deferred financing costs and bond premium	5,013	5,460
Provision for doubtful accounts	406	73
Provision for inventory obsolescence	319	122
Non-cash share-based compensation expense	1,507	1,551
Gain on sales and disposals of equipment	(1,050)	(1,046)
Deferred income taxes	164	204
Interest on note receivable	(21)	(11)
Changes in operating assets and liabilities:
Accounts receivable	(5,173)	158
Inventories	(554)	495
Other operating assets	38	(414)
Accounts payable	209	(3,639)
Other operating liabilities	3,057	(3,381)
Net cash provided by operating activities	45,825	31,053
Cash flows from investing activities:
Medical equipment purchases	(23,273)	(24,296)
Property and office equipment purchases	(4,316)	(3,309)
Proceeds from disposition of property and equipment	1,813	2,091
Issuance of note receivable from officer	(581)	(936)
Acquisitions and refund of escrow		(1,923)
Net cash used in investing activities	(26,357)	(28,373)
Cash flows from financing activities:
Proceeds under senior secured credit facility	104,448	83,200
Payments under senior secured credit facility	(113,598)	(79,692)
Payments of principal under capital lease obligations	(3,072)	(3,419)
Holdback payment related to acquisition	(624)
Distributions to noncontrolling interests	(213)	(133)
Proceed from exercise of parent company stock options	285	29
Contribution from Parent		1,900
Shares forfeited for taxes	1,149
Change in book overdrafts	(5,367)	(4,565)
Net cash used in financing activities	(19,290)	(2,680)
Net change in cash and cash equivalents	178	0
Cash and cash equivalents at the beginning of period
Cash and cash equivalents at the end of period	178
Supplemental cash flow information:
Interest paid	26,332	26,345
Income taxes paid	676	533
Non-cash activities:
Medical equipment purchases included in accounts payable (at end of period)	3,920	4,493
Capital lease additions	$ 1,858	$ 3,179