Summary Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 8,632	$ 13,009
Restricted securities	303	323
Receivables, net	19,878	16,520
Deferred preservation costs	26,869	27,954
Inventories	10,208	10,557
Deferred income taxes	5,637	6,100
Prepaid expenses and other	2,221	3,040
Total current assets	73,748	77,503
Property and equipment, net	11,744	11,667
Investment in equity securities	5,908	5,908
Restricted cash and securities	5,000	5,000
Goodwill	11,365	11,365
Patents, net	2,057	2,114
Trademarks and other intangibles, net	21,541	21,968
Notes receivable	2,000	2,000
Deferred income taxes	16,840	16,564
Other	3,513	3,067
Total assets	153,716	157,156
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	2,864	3,775
Accrued compensation	2,807	5,055
Accrued procurement fees	4,409	4,762
Accrued expenses and other	5,190	6,437
Deferred income	1,313	1,401
Total current liabilities	16,583	21,430
Contingent consideration liability	1,951	1,912
Other	6,200	5,702
Total liabilities	24,734	29,044
Commitments and contingencies
Shareholders' equity:
Preferred stock
Common stock (issued shares of 27,726 in 2013 and 27,486 in 2012)	277	275
Additional paid-in capital	123,284	122,414
Retained earnings	7,041	5,536
Accumulated other comprehensive loss	(72)	(39)
Treasury stock at cost (shares of 257 in 2013 and 14 in 2012)	(1,548)	(74)
Total shareholders' equity	128,982	128,112
Total liabilities and shareholders' equity	$ 153,716	$ 157,156