Consolidated Statement Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net cash flows from operating activities:
Net income	$ 1,059	$ 2,192
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	1,462	1,453
Non-cash compensation	845	782
Deferred income taxes	(36)	187
Other non-cash adjustments to income	(323)	398
Changes in operating assets and liabilities:
Receivables	(2,693)	(3,321)
Deferred preservation costs and inventories	(821)	1,153
Prepaid expenses and other assets	(430)	373
Accounts payable, accrued expenses, and other liabilities	(1,101)	(4,386)
Net cash flows used in operating activities	(2,038)	(1,169)
Net cash flows from investing activities:
Capital expenditures	(1,037)	(988)
Other	(642)	(84)
Net cash flows used in investing activities	(1,679)	(1,072)
Net cash flows from financing activities:
Cash dividends paid	(772)	(687)
Proceeds from exercise of stock options and issuance of common stock	357	229
Repurchases of common stock		(1,203)
Other	(705)	(474)
Net cash flows used in financing activities	(1,120)	(2,135)
Effect of exchange rate changes on cash	(43)	(1)
Decrease in cash and cash equivalents	(4,880)	(4,377)
Cash and cash equivalents, beginning of period	37,643	13,009
Cash and cash equivalents, end of period	$ 32,763	$ 8,632