Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net cash flows from operating activities:
Net income (loss)	$ 2,541	$ (274)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Gain from sale of business components	(7,915)
Depreciation and amortization	1,929	1,555
Non-cash compensation	1,413	1,137
Other non-cash adjustments to income	791	594
Changes in operating assets and liabilities:
Receivables	4,249	1,217
Inventories and deferred preservation costs	(2,760)	(897)
Prepaid expenses and other assets	1,423	272
Accounts payable, accrued expenses, and other liabilities	(261)	(2,306)
Net cash flows provided by operating activities	1,410	1,298
Net cash flows from investing activities:
Acquisition of On-X, net of cash acquired	(91,152)
Proceeds from sale of business components	19,795
Decrease in restricted cash	5,000
Capital expenditures	(820)	(1,055)
Other	22	(495)
Net cash flows used in investing activities	(67,155)	(1,550)
Net cash flows from financing activities:
Proceeds from issuance of term loan	75,000
Payment of debt issuance costs	(2,289)
Proceeds from exercise of stock options and issuance of common stock	736	683
Cash dividends paid		(850)
Other	(335)	(449)
Net cash flows provided by (used in) financing activities	73,112	(616)
Effect of exchange rate changes on cash	(128)	(94)
Increase (decrease) in cash and cash equivalents	7,239	(962)
Cash and cash equivalents, beginning of period	37,588	33,375
Cash and cash equivalents, end of period	$ 44,827	$ 32,413