Summary Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Net cash flows from operating activities:
Net (loss) income	$ (776)	$ 3,220
Adjustments to reconcile net (loss) income to net cash from operating activities:
Depreciation and amortization	3,111	2,937
Non-cash compensation	3,174	1,644
Gain on sale of Medafor investment	(891)
Other non-cash adjustments to income	2,380	(391)
Changes in operating assets and liabilities:
Receivables	(326)	(1,264)
Inventories and deferred preservation costs	130	(1,731)
Prepaid expenses and other assets	(1,383)	(2,608)
Accounts payable, accrued expenses, and other liabilities	(225)	(978)
Net cash flows provided by operating activities	5,194	829
Net cash flows from investing activities:
Capital expenditures	(2,192)	(2,272)
Proceeds from sale of Medafor investment	891
Other	(487)	(1,522)
Net cash flows used in investing activities	(1,788)	(3,794)
Net cash flows from financing activities:
Cash dividends paid	(1,700)	(1,610)
Proceeds from exercise of stock options and issuance of common stock	707	504
Repurchases of common stock		(2,007)
Other	(884)	(672)
Net cash flows used in financing activities	(1,877)	(3,785)
Effect of exchange rate changes on cash	171	(23)
Increase (decrease) in cash and cash equivalents	1,700	(6,773)
Cash and cash equivalents, beginning of period	33,375	37,643
Cash and cash equivalents, end of period	$ 35,075	$ 30,870