Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 55,010	$ 61,412
Restricted securities		546
Trade receivables, net	53,019	45,964
Other receivables	5,086	2,788
Inventories, net	76,971	73,038
Deferred preservation costs, net	42,863	36,546
Prepaid expenses and other	14,748	14,295
Total current assets	247,697	234,589
Goodwill	250,000	260,061
Operating lease right-of-use assets, net	45,714	18,571
Property and equipment, net	37,521	33,077
Other intangibles, net	34,502	40,966
Deferred income taxes	2,357	1,446
Other long-term assets	8,267	14,603
Total assets	793,052	789,404
Current liabilities:
Accounts payable	10,395	9,623
Accrued expenses	7,687	7,472
Accrued compensation	13,163	10,192
Taxes payable	3,634	2,808
Accrued procurement fees	3,689	3,619
Current portion of finance lease obligation	528	614
Current maturities of operating leases	3,149	5,763
Current portion of long-term debt	1,630	1,195
Current portion of contingent consideration		16,430
Other	1,078	2,752
Total current liabilities	44,953	60,468
Long-term debt	307,493	290,468
Contingent consideration	49,400	43,500
Non-current maturities of operating leases	44,869	14,034
Non-current finance leases obligations	4,374	5,300
Deferred income taxes	28,799	34,713
Deferred compensation liability	5,952	5,518
Other	6,484	6,690
Total liabilities	492,324	460,691
Commitments and contingencies
Shareholders' equity:
Preferred stock $0.01 par value per share, 5,000 shares authorized, no shares issued
Common stock $0.01 par value per share, 75,000 shares authorized, 41,397 and 40,394 shares issued as of December 31, 2021 and 2020, respectively	414	404
Additional paid-in capital	322,874	316,192
Retained earnings	1,975	20,022
Accumulated other comprehensive (loss) income	(9,887)	6,743
Treasury stock, at cost, 1,487 shares as of December 31, 2021 and 2020	(14,648)	(14,648)
Total shareholders' equity	300,728	328,713
Total liabilities and shareholders' equity	793,052	789,404
Acquired Technology [Member]
Current assets:
Acquired technology, net	$ 166,994	$ 186,091