Consolidated Balance Sheets (USD $)	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 37,643,000	$ 13,009,000
Restricted cash and securities	5,350,000	323,000
Receivables:
Trade accounts, net	17,838,000	15,941,000
Other	469,000	579,000
Total receivables	18,307,000	16,520,000
Deferred preservation costs	27,297,000	27,954,000
Inventories	9,771,000	10,557,000
Deferred income taxes	5,162,000	6,100,000
Prepaid expenses and other	2,797,000	3,040,000
Total current assets	106,327,000	77,503,000
Property and equipment:
Equipment and software	26,976,000	24,007,000
Furniture and fixtures	4,390,000	4,339,000
Leasehold improvements	30,051,000	29,440,000
Total property and equipment	61,417,000	57,786,000
Less accumulated depreciation and amortization	49,246,000	46,119,000
Net property and equipment	12,171,000	11,667,000
Other assets:
Investment in equity securities		5,908,000
Restricted cash		5,000,000
Goodwill	11,365,000	11,365,000
Patents, less accumulated amortization of $2,414 in 2013 and $2,530 in 2012	1,934,000	2,114,000
Trademarks and other intangibles, less accumulated amortization of $4,593 in 2013 and $2,886 in 2012	19,985,000	21,968,000
Notes receivable	2,000,000	2,000,000
Deferred income taxes	16,885,000	16,564,000
Other	4,016,000	3,067,000
Total assets	174,683,000	157,156,000
Current liabilities:
Accounts payable	4,137,000	3,156,000
Taxes payable	1,377,000	619,000
Accrued compensation	4,886,000	5,055,000
Accrued procurement fees	5,427,000	4,762,000
Accrued expenses	2,411,000	4,205,000
Deferred income	316,000	1,401,000
Other	2,168,000	2,232,000
Total current liabilities	20,722,000	21,430,000
Contingent consideration liability	1,884,000	1,912,000
Deferred compensation liability	1,533,000	796,000
Deferred rent obligations	1,686,000	1,603,000
Other	4,111,000	3,303,000
Total liabilities	29,936,000	29,044,000
Shareholders' equity:
Common stock $0.01 par value per share, 75,000 shares authorized, 28,244 shares issued in 2013 and 27,486 shares issued in 2012	282,000	275,000
Additional paid-in capital	128,585,000	122,414,000
Retained earnings	18,741,000	5,536,000
Accumulated other comprehensive income (loss)	7,000	(39,000)
Treasury stock at cost, 413 shares in 2013 and 14 shares in 2012	(2,868,000)	(74,000)
Total shareholders' equity	144,747,000	128,112,000
Total liabilities and shareholders' equity	174,683,000	157,156,000
Series A Junior Participating Preferred Stock [Member]
Shareholders' equity:
Preferred stock
Convertible Preferred Stock [Member]
Shareholders' equity:
Preferred stock