Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities
Net loss	$ (2,217)	$ (30,115)
Adjustments to reconcile net loss to net cash used in operating activities:
Loss from discontinued operation	16	22,551
Depreciation and amortization expense	12,755	14,133
Stock-based compensation expense	316	741
Amortization of debt issuance costs and debt discount	1,469	1,461
Deferred income taxes	2,608	(6,169)
Reclassification adjustment to foreign currency loss	1,329
Other, net	6	165
Changes in operating assets and liabilities:
Accounts receivable	(2,605)	(13,016)
Inventories	(12,279)	(2,628)
Prepaid expenses and other assets	1,659	711
Income taxes	331	2,207
Accounts payable	(358)	2,108
Accrued expenses	(5,574)	4,725
Deferred revenue and customer deposits	(472)	230
Other liabilities	17	1,052
Cash used in operating activities - continuing operations	(2,999)	(1,844)
Cash used in operating activities - discontinued operation	(16)	(2,914)
Investing activities
Acquisitions of plant, equipment and leasehold improvements	(3,298)	(5,028)
Cash received for sale of Canadian subsidiary	1,451
Cash used in investing activities - continuing operations	(1,847)	(5,028)
Cash used in investing activities - discontinued operation	0	(220)
Financing activities
Proceeds from revolving credit facility	11,500
Payments on revolving credit facility	(11,500)
Payments on financing leases	(1,175)	(388)
Cash used in financing activities	(1,175)	(388)
Effect of exchange rates on cash	36	7
Net decrease in cash and cash equivalents	(6,001)	(10,387)
Cash and cash equivalents, beginning of period	20,291	23,205
Cash and cash equivalents, end of period	14,290	12,818
Supplemental disclosures of cash flow information
Cash paid (refunded) during the period for: Interest	17,315	14,703
Cash paid (refunded) during the period for: Income taxes, net payments (refunds)	675	(1,299)
Right-to-use assets obtained in exchange for lease obligations- Operating leases	8,533
Right-to-use assets obtained in exchange for lease obligations- Financing leases	5,196	821
Accounts payable and accrued expenses for acquisitions of plant, equipment and leasehold improvements	$ 159	$ 171