Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 56,552	$ 61,412
Restricted securities	550	546
Trade receivables, net	48,320	45,964
Other receivables	2,416	2,788
Inventories	73,375	73,038
Deferred preservation costs	39,250	36,546
Prepaid expenses and other	15,220	14,295
Total current assets	235,683	234,589
Goodwill	253,950	260,061
Acquired technology, net	178,964	186,091
Other intangibles, net	39,274	40,966
Operating lease right-of-use assets, net	39,073	18,571
Property and equipment, net	31,497	33,077
Deferred income taxes	1,657	1,446
Other assets	14,734	14,603
Total assets	794,832	789,404
Current liabilities:
Current portion of contingent consideration	16,800	16,430
Accrued compensation	10,644	10,192
Accounts payable	8,952	9,623
Accrued expenses	8,564	7,472
Accrued procurement fees	3,402	3,619
Current maturities of operating leases	1,548	5,763
Current portion of long-term debt	1,174	1,195
Taxes payable	3,229	2,808
Other liabilities	3,705	3,366
Total current liabilities	58,018	60,468
Long-term debt	310,058	290,468
Contingent consideration	44,100	43,500
Non-current maturities of operating leases	38,441	14,034
Deferred income taxes	29,272	34,713
Deferred compensation liability	5,436	5,518
Other liabilities	12,176	11,990
Total liabilities	497,501	460,691
Commitments and contingencies
Shareholders' equity:
Preferred stock
Common stock (issued shares of 40,585 in 2021 and 40,394 in 2020)	406	404
Additional paid-in capital	301,449	316,192
Retained earnings	13,671	20,022
Accumulated other comprehensive (loss) income	(3,547)	6,743
Treasury stock, at cost, 1,487 shares as of March 31, 2021 and December 31, 2020, respectively	(14,648)	(14,648)
Total shareholders' equity	297,331	328,713
Total liabilities and shareholders' equity	$ 794,832	$ 789,404