CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows from Operating Activities:
Net loss	$ (224)	$ (7,614)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	13,849	14,453
Depletion of landfill operating lease obligations	1,764	1,950
Interest accretion on landfill and environmental remediation liabilities	965	886
Amortization of debt issuance costs and discount on long-term debt	646	1,040
Stock-based compensation	1,257	722
Gain on sale of property and equipment	(84)	(203)
Loss (gain) on debt extinguishment	472	(48)
Deferred income taxes	(74)	100
Changes in assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	5,569	7,133
Accounts payable	(4,485)	(6,112)
Prepaid expenses, inventories and other assets	(145)	(1,492)
Accrued expenses and other liabilities	(8,834)	(9,091)
Net cash provided by operating activities	10,676	1,724
Cash Flows from Investing Activities:
Acquisitions, net of cash acquired	(414)	0
Acquisition related additions to property, plant and equipment	(58)	0
Additions to property, plant and equipment	(8,634)	(9,848)
Payments on landfill operating lease contracts	(977)	(500)
Proceeds from sale of property and equipment	84	359
Net cash used in investing activities	(9,999)	(9,989)
Cash Flows from Financing Activities:
Proceeds from long-term borrowings	71,200	64,300
Principal payments on long-term debt	(71,933)	(57,948)
Payments of debt issuance costs	(620)	(99)
Proceeds from the exercise of share based awards	358	0
Change in restricted cash	0	1,348
Net cash (used in) provided by financing activities	(995)	7,601
Net decrease in cash and cash equivalents	(318)	(664)
Cash and cash equivalents, beginning of period	2,544	2,312
Cash and cash equivalents, end of period	2,226	1,648
Cash paid during the period for:
Interest	8,045	16,122
Income taxes, net of refunds	$ 54	$ 101