Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income	$ 5,988	$ 7,899
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,207	2,982
(Gain) loss on sale of fixed asstes	(70)	11
Share-based compensation	945	707
Excess tax benefit on share-based compensation	(845)	(7)
Deferred income taxes	(347)	(11)
Changes in operating assets and liabilities:
Receivables, net	(1,533)	30
Inventories	(2,452)	(202)
Prepaid expenses	(257)	(274)
Refundable income taxes	1,553	1,714
Other assets	(58)	(236)
Accounts payable	2,188	(529)
Accrued taxes and other expenses	(1,264)	(786)
Retirement and other liabilities	(203)	242
Net cash provided by operating activities	6,852	11,540
Cash flows from investing activities:
Additions to property, plant, and equipment	(10,940)	(5,017)
Holdback payment related to the acquisition of Packaging Alternatives Corporation		(600)
Redemption of cash value life insurance		37
Proceeds from sale of fixed assets	84	1
Net cash used in investing activities	(10,856)	(5,579)
Cash flows from financing activities:
Proceeds from the issuance of long-term debt		580
Principal repayments of long-term debt	(731)	(1,156)
Proceeds from the exercise of stock options, net of attestation	336	335
Excess tax benefit on share-based compensation	845	7
Payment of statutory withholdings for stock options exercised and restricted stock units vested	(701)	(974)
Net cash used in financing activities	(251)	(1,208)
Net (decrease) increase in cash and cash equivalents	(4,255)	4,753
Cash and cash equivalents at beginning of period	37,303	33,480
Cash and cash equivalents at end of period	$ 33,048	$ 38,233