Consolidated Statements of Cash Flow - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating Activities:
Net income (loss)	$ 10,079	$ (250)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	14,460	14,032
Deferred income tax	2,327	318
Share-based compensation expense	1,046	1,367
Changes in assets and liabilities:
Accounts receivable, net	(19,195)	(7,122)
Inventory, net	(7,890)	(16,693)
Accounts payable	(3,964)	10,666
Accrued employment costs	2,595	(922)
Income taxes	(36)	(131)
Other, net	1,307	(399)
Net cash provided by operating activities	729	866
Investing Activity:
Capital expenditures	(13,211)	(4,699)
Net cash used in investing activity	(13,211)	(4,699)
Financing Activities:
Borrowings under revolving credit facility	347,395	240,750
Payments on revolving credit facility	(351,918)	(232,909)
Proceeds under New Markets Tax Credit financing	2,835
Payments on term loan facility, capital leases, and notes	(11,821)	(3,908)
Payments of financing costs	(1,105)
Proceeds from public offering, net of cash expenses	32,246
Proceeds from exercise of stock options	834	104
Net cash provided by financing activities	18,466	4,037
Net increase in cash and restricted cash	5,984	204
Cash and restricted cash at beginning of period	207	75
Cash and restricted cash at end of period	$ 6,191	$ 279