Business Segments - Schedule of Segment Financial Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) reportable_segment	Jun. 30, 2023 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | reportable_segment			3
Segment Reporting Information [Line Items]
Net sales	$ 22,739	$ 20,323	$ 44,892	$ 42,879
Cost of sales	9,046	7,967	17,743	17,005
Gross profit	13,693	12,356	27,149	25,874
Operating expenses:
Sales and marketing	6,969	6,009	13,709	13,883
Research and development	1,316	1,365	3,411	2,558
General and administrative	5,664	7,298	11,016	13,717
Total operating expenses	13,949	14,672	28,136	30,158
Operating loss	(256)	(2,316)	(987)	(4,284)
Consumer Products segment
Segment Reporting Information [Line Items]
Net sales	18,647	16,891	35,998	34,524
Ingredients segment
Segment Reporting Information [Line Items]
Net sales	3,301	2,704	7,389	6,828
Analytical Reference Standards and Services segment
Segment Reporting Information [Line Items]
Net sales	791	728	1,505	1,527
Operating Segments | Consumer Products segment
Segment Reporting Information [Line Items]
Net sales	18,647	16,891	35,998	34,524
Cost of sales	6,785	5,959	12,939	12,363
Gross profit	11,862	10,932	23,059	22,161
Operating expenses:
Sales and marketing	6,777	5,892	13,373	13,665
Research and development	1,135	1,169	2,830	2,136
General and administrative	0	0	0	0
Total operating expenses	7,912	7,061	16,203	15,801
Operating loss	3,950	3,871	6,856	6,360
Operating Segments | Ingredients segment
Segment Reporting Information [Line Items]
Net sales	3,301	2,704	7,389	6,828
Cost of sales	1,545	1,232	3,382	3,113
Gross profit	1,756	1,472	4,007	3,715
Operating expenses:
Sales and marketing	66	19	78	37
Research and development	181	196	581	422
General and administrative	0	0	0	0
Total operating expenses	247	215	659	459
Operating loss	1,509	1,257	3,348	3,256
Operating Segments | Analytical Reference Standards and Services segment
Segment Reporting Information [Line Items]
Net sales	791	728	1,505	1,527
Cost of sales	716	776	1,422	1,529
Gross profit	75	(48)	83	(2)
Operating expenses:
Sales and marketing	126	98	258	181
Research and development	0	0	0	0
General and administrative	0	0	0	0
Total operating expenses	126	98	258	181
Operating loss	(51)	(146)	(175)	(183)
Corporate and other
Segment Reporting Information [Line Items]
Net sales	0	0	0	0
Cost of sales	0	0	0	0
Gross profit	0	0	0	0
Operating expenses:
Sales and marketing	0	0	0	0
Research and development	0	0	0	0
General and administrative	5,664	7,298	11,016	13,717
Total operating expenses	5,664	7,298	11,016	13,717
Operating loss	$ (5,664)	$ (7,298)	$ (11,016)	$ (13,717)