Business Segments - Segment Financial Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) reportable_segment	Jun. 30, 2022 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | reportable_segment			3
Segment Reporting Information [Line Items]
Net sales	$ 20,323	$ 16,732	$ 42,879	$ 33,991
Cost of sales	7,967	6,690	17,005	13,417
Gross profit (loss)	12,356	10,042	25,874	20,574
Sales and marketing	6,009	8,021	13,883	16,258
Research and development	1,365	1,245	2,558	2,323
General and administrative	7,298	7,163	13,717	16,112
Total operating expenses	14,672	16,429	30,158	34,693
Operating loss	(2,316)	(6,387)	(4,284)	(14,119)
Consumer Products segment
Segment Reporting Information [Line Items]
Net sales	16,891	14,520	34,524	29,457
Ingredients segment
Segment Reporting Information [Line Items]
Net sales	2,704	1,464	6,828	2,891
Analytical Reference Standards and Services segment
Segment Reporting Information [Line Items]
Net sales	728	748	1,527	1,643
Operating Segments | Consumer Products segment
Segment Reporting Information [Line Items]
Net sales	16,891	14,520	34,524	29,457
Cost of sales	5,959	5,218	12,363	10,470
Gross profit (loss)	10,932	9,302	22,161	18,987
Sales and marketing	5,892	7,864	13,665	15,938
Research and development	1,169	1,113	2,136	2,115
General and administrative	0	0	0	0
Total operating expenses	7,061	8,977	15,801	18,053
Operating loss	3,871	325	6,360	934
Operating Segments | Ingredients segment
Segment Reporting Information [Line Items]
Net sales	2,704	1,464	6,828	2,891
Cost of sales	1,232	681	3,113	1,403
Gross profit (loss)	1,472	783	3,715	1,488
Sales and marketing	19	0	37	24
Research and development	196	132	422	208
General and administrative	0	0	0	0
Total operating expenses	215	132	459	232
Operating loss	1,257	651	3,256	1,256
Operating Segments | Analytical Reference Standards and Services segment
Segment Reporting Information [Line Items]
Net sales	728	748	1,527	1,643
Cost of sales	776	791	1,529	1,544
Gross profit (loss)	(48)	(43)	(2)	99
Sales and marketing	98	157	181	296
Research and development	0	0	0	0
General and administrative	0	0	0	0
Total operating expenses	98	157	181	296
Operating loss	(146)	(200)	(183)	(197)
Corporate and other
Segment Reporting Information [Line Items]
Net sales	0	0	0	0
Cost of sales	0	0	0	0
Gross profit (loss)	0	0	0	0
Sales and marketing	0	0	0	0
Research and development	0	0	0	0
General and administrative	7,298	7,163	13,717	16,112
Total operating expenses	7,298	7,163	13,717	16,112
Operating loss	$ (7,298)	$ (7,163)	$ (13,717)	$ (16,112)