Consolidated Statements of Cash Flow - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating Activities:
Net income (loss)	$ 6,163	$ 9
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	9,613	9,365
Deferred income tax	1,885	(16)
Share-based compensation expense	678	971
Changes in assets and liabilities:
Accounts receivable, net	(10,822)	(9,614)
Inventory, net	(10,084)	(9,798)
Accounts payable	643	8,655
Accrued employment costs	1,891	(550)
Income taxes	(29)	117
Other, net	267	(752)
Net cash provided by (used in) operating activities	205	(1,613)
Investing Activity:
Capital expenditures	(6,647)	(3,068)
Net cash (used in) investing activity	(6,647)	(3,068)
Financing Activities:
Borrowings under revolving credit facility	264,889	158,180
Payments on revolving credit facility	(283,346)	(150,830)
Proceeds under New Markets Tax Credit financing	2,835
Payments on term loan facility, capital leases, and notes	(3,567)	(2,751)
Payments on deferred financing costs	(695)
Proceeds from public offering, net of cash expenses	32,253
Proceeds from the common stock exercised	262	104
Net cash provided by financing activities	12,631	4,703
Net increase in cash and restricted cash	6,189	22
Cash and restricted cash at beginning of period	207	75
Cash and restricted cash at end of period	$ 6,396	$ 97