Consolidated Statements Of Operations And Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Products	$ 27,018	$ 19,391
Preservation services	15,998	14,440
Total revenues	43,016	33,831
Cost of products and preservation services:
Products	7,003	5,033
Preservation services	8,392	9,131
Total cost of products and preservation services	15,395	14,164
Gross margin	27,621	19,667
Operating expenses:
General, administrative, and marketing	26,274	18,969
Research and development	2,609	2,252
Total operating expenses	28,883	21,221
Gain from sale of business components	(7,915)
Operating income (loss)	6,653	(1,554)
Interest expense	717	30
Interest income	(12)	(3)
Other (income) expense, net	(109)	192
Income (loss) before income taxes	6,057	(1,773)
Income tax expense (benefit)	3,516	(1,499)
Net income (loss)	$ 2,541	$ (274)
Income (loss) per common share:
Basic	$ 0.08	$ (0.01)
Diluted	$ 0.08	(0.01)
Dividends declared per common share		$ 0.03
Weighted-average common shares outstanding:
Basic	31,029	27,523
Diluted	31,771	27,523
Other comprehensive loss	$ (96)	$ (117)
Comprehensive income (loss)	$ 2,445	$ (391)