Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 52,507	$ 56,642
Restricted securities	741	699
Receivables, net	33,317	30,096
Inventories	26,537	26,293
Deferred preservation costs	33,974	30,688
Prepaid expenses and other	5,135	2,815
Total current assets	152,211	147,233
Property and equipment, net	20,694	18,502
Goodwill	78,294	78,294
Patents, net	862	1,008
Trademarks and other intangibles, net	63,527	65,633
Deferred income taxes	148
Investment in company owned life insurance	3,745	2,991
Other	2,740	2,479
Total assets	322,221	316,140
Current liabilities:
Accounts payable	6,571	5,744
Accrued compensation	5,764	8,815
Accrued procurement fees	3,393	4,806
Accrued expenses and other	6,815	6,175
Current portion of long-term debt	3,228	4,562
Total current liabilities	25,771	30,102
Long-term debt	65,635	67,012
Deferred compensation liability	3,441	2,600
Deferred rent obligations	3,020	2,355
Other	5,293	5,088
Total liabilities	103,160	107,157
Commitments and contingencies
Shareholders' equity:
Preferred stock
Common stock (issued shares of 34,784 in 2017 and 34,230 in 2016)	348	342
Additional paid-in capital	192,204	187,061
Retained earnings	39,291	34,143
Accumulated other comprehensive loss	(64)	(429)
Treasury stock at cost (shares of 1,387 in 2017 and 1,356 in 2016)	(12,718)	(12,134)
Total shareholders' equity	219,061	208,983
Total liabilities and shareholders' equity	$ 322,221	$ 316,140