Summary Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 30,870	$ 37,643
Restricted cash and securities	5,973	5,350
Receivables, net	19,571	18,307
Deferred preservation costs	26,514	27,297
Inventories	12,089	9,771
Deferred income taxes	5,730	5,162
Prepaid expenses and other	5,033	2,797
Total current assets	105,780	106,327
Property and equipment, net	12,261	12,171
Goodwill	11,365	11,365
Patents, net	1,898	1,934
Trademarks and other intangibles, net	19,890	19,985
Notes receivable	2,000	2,000
Deferred income taxes	16,236	16,885
Other	4,388	4,016
Total assets	173,818	174,683
Current liabilities:
Accounts payable	4,877	5,514
Accrued compensation	3,699	4,886
Accrued procurement fees	5,053	5,427
Accrued expenses and other	5,106	4,579
Deferred income	398	316
Total current liabilities	19,133	20,722
Contingent consideration liability	1,588	1,884
Other	7,125	7,330
Total liabilities	27,846	29,936
Commitments and contingencies
Shareholders' equity:
Preferred stock
Common stock (issued shares of 28,596 in 2014 and 28,244 in 2013)	286	282
Additional paid-in capital	131,011	128,585
Retained earnings	20,351	18,741
Accumulated other comprehensive income	13	7
Treasury stock at cost, (shares of 773 in 2014 and 413 in 2013)	(5,689)	(2,868)
Total shareholders' equity	145,972	144,747
Total liabilities and shareholders' equity	$ 173,818	$ 174,683