Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 50,473	$ 61,412
Restricted securities	554	546
Trade receivables, net	49,672	45,964
Other receivables	3,612	2,788
Inventories, net	76,362	73,038
Deferred preservation costs	41,276	36,546
Prepaid expenses and other	16,105	14,295
Total current assets	238,054	234,589
Goodwill	255,484	260,061
Acquired technology, net	177,023	186,091
Other intangibles, net	38,817	40,966
Operating lease right-of-use assets, net	48,359	18,571
Property and equipment, net	36,417	33,077
Deferred income taxes	1,681	1,446
Other assets	14,662	14,603
Total assets	810,497	789,404
Current liabilities:
Current portion of contingent consideration	17,300	16,430
Accrued compensation	9,808	10,192
Accounts payable	10,773	9,623
Accrued expenses	7,625	7,472
Accrued procurement fees	4,013	3,619
Current maturities of operating leases	2,473	5,763
Current portion of long-term debt	1,652	1,195
Taxes payable	3,338	2,808
Other liabilities	1,962	3,366
Total current liabilities	58,944	60,468
Long-term debt	308,050	290,468
Contingent consideration	46,900	43,500
Non-current maturities of operating leases	47,440	14,034
Deferred income taxes	29,583	34,713
Deferred compensation liability	5,503	5,518
Other liabilities	12,242	11,990
Total liabilities	508,662	460,691
Commitments and contingencies
Shareholders' equity:
Preferred stock
Common stock (issued shares of 40,742 in 2021 and 40,394 in 2020)	407	404
Additional paid-in capital	305,157	316,192
Retained earnings	11,493	20,022
Accumulated other comprehensive (loss) income	(574)	6,743
Treasury stock, at cost, 1,487 shares as of June 30, 2021 and December 31, 2020, respectively	(14,648)	(14,648)
Total shareholders' equity	301,835	328,713
Total liabilities and shareholders' equity	$ 810,497	$ 789,404