Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Total revenues	$ 80,340	$ 76,148	$ 157,553	$ 147,235
Cost of products and preservation services:
Total cost of products and preservation services	28,168	25,635	54,662	48,884
Gross margin	52,172	50,513	102,891	98,351
Operating expenses:
General, administrative, and marketing	38,983	40,830	77,938	79,468
Research and development	8,648	8,360	18,776	16,114
Total operating expenses	47,631	49,190	96,714	95,582
Operating income	4,541	1,323	6,177	2,769
Interest expense	4,101	4,855	8,049	8,895
Interest income	(30)	(18)	(46)	(42)
Other expense (income), net	3,770	(1,331)	3,903	600
Loss before income taxes	(3,300)	(2,183)	(5,729)	(6,684)
Income tax expense (benefit)	959	(5)	1,919	(1,368)
Net loss	$ (4,259)	$ (2,178)	$ (7,648)	$ (5,316)
Loss per share:
Loss per share, basic (in usd per share)	$ (0.11)	$ (0.06)	$ (0.19)	$ (0.14)
Loss per share, diluted (in usd per share)	$ (0.11)	$ (0.06)	$ (0.19)	$ (0.14)
Weighted-average common shares outstanding:
Weighted-average common shares outstanding, basic (in shares)	40,031	38,943	39,941	38,841
Diluted weighted-average common shares outstanding (in shares)	40,031	38,943	39,941	38,841
Net loss	$ (4,259)	$ (2,178)	$ (7,648)	$ (5,316)
Other comprehensive (loss) income:
Foreign currency translation adjustments	(14,796)	2,973	(18,571)	(7,317)
Comprehensive (loss) income	(19,055)	795	(26,219)	(12,633)
Products
Revenues:
Total revenues	58,936	56,076	116,478	109,421
Cost of products and preservation services:
Total cost of products and preservation services	18,230	16,178	35,638	31,089
Preservation services
Revenues:
Total revenues	21,404	20,072	41,075	37,814
Cost of products and preservation services:
Total cost of products and preservation services	$ 9,938	$ 9,457	$ 19,024	$ 17,795