Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net cash flows from operating activities:
Net (loss) income	$ (3,855)	$ 2,223
Adjustments to reconcile net (loss) income to net cash from operating activities:
Depreciation and amortization	4,376	2,168
Non-cash compensation	1,248	1,796
Deferred income taxes	(1,283)	201
Other non-cash adjustments to income	810	424
Changes in operating assets and liabilities:
Receivables	(3,346)	1,139
Inventories and deferred preservation costs	2,954	(1,402)
Prepaid expenses and other assets	(215)	(1,053)
Accounts payable, accrued expenses, and other liabilities	(10,416)	(1,627)
Net cash flows (used in) provided by operating activities	(9,727)	3,869
Net cash flows used in investing activities:
Proceeds from sale of business components		740
Capital expenditures	(2,116)	(2,034)
Other	(3)	(31)
Net cash flows used in investing activities	(2,119)	(1,325)
Net cash flows from financing activities:
Repayment of term loan	(707)	(469)
Proceeds from exercise of stock options and issuance of common stock	606	1,287
Redemption and repurchase of stock to cover tax withholdings	(1,512)	(1,300)
Other	(341)	(1)
Net cash flows used in financing activities	(1,954)	(483)
Effect of exchange rate changes on cash	439	193
(Decrease) increase in cash, cash equivalents, and restricted securities	(13,361)	2,254
Cash, cash equivalents, and restricted securities beginning of period	40,753	57,341
Cash, cash equivalents, and restricted securities end of period	$ 27,392	$ 59,595