Business Segments - Segment Financial Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) reportable_segment	Mar. 31, 2023 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | reportable_segment	3
Segment Reporting Information [Line Items]
Net sales	$ 22,153	$ 22,556
Cost of sales	8,697	9,038
Gross profit	13,456	13,518
Operating expenses:
Sales and marketing	6,740	7,874
Research and development	2,095	1,193
General and administrative	5,352	6,419
Total operating expenses	14,187	15,486
Operating loss	(731)	(1,968)
Consumer Products segment
Segment Reporting Information [Line Items]
Net sales	17,351	17,633
Ingredients segment
Segment Reporting Information [Line Items]
Net sales	4,088	4,124
Analytical Reference Standards and Services segment
Segment Reporting Information [Line Items]
Net sales	714	799
Operating Segments | Consumer Products segment
Segment Reporting Information [Line Items]
Net sales	17,351	17,633
Cost of sales	6,154	6,404
Gross profit	11,197	11,229
Operating expenses:
Sales and marketing	6,596	7,773
Research and development	1,695	967
General and administrative	0	0
Total operating expenses	8,291	8,740
Operating loss	2,906	2,489
Operating Segments | Ingredients segment
Segment Reporting Information [Line Items]
Net sales	4,088	4,124
Cost of sales	1,837	1,881
Gross profit	2,251	2,243
Operating expenses:
Sales and marketing	12	18
Research and development	400	226
General and administrative	0	0
Total operating expenses	412	244
Operating loss	1,839	1,999
Operating Segments | Analytical Reference Standards and Services segment
Segment Reporting Information [Line Items]
Net sales	714	799
Cost of sales	706	753
Gross profit	8	46
Operating expenses:
Sales and marketing	132	83
Research and development	0	0
General and administrative	0	0
Total operating expenses	132	83
Operating loss	(124)	(37)
Corporate and other
Segment Reporting Information [Line Items]
Net sales	0	0
Cost of sales	0	0
Gross profit	0	0
Operating expenses:
Sales and marketing	0	0
Research and development	0	0
General and administrative	5,352	6,419
Total operating expenses	5,352	6,419
Operating loss	$ (5,352)	$ (6,419)