Business Segments and Concentrations - Segment Financial Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) reportable_segment	Dec. 31, 2022 USD ($) reportable_segment
Segment Reporting [Abstract]
Number of reportable segments | reportable_segment	3	3
Segment Reporting Information [Line Items]
Net sales	$ 83,570	$ 72,050
Cost of sales	32,790	29,253
Gross profit (loss)	50,780	42,797
Operating expenses:
Sales and marketing	26,438	28,313
Research and development	4,958	4,826
General and administrative	24,983	28,286
Operating expenses	56,379	61,425
Operating income (loss)	(5,599)	(18,628)
Corporate and other
Segment Reporting Information [Line Items]
Net sales	0	0
Cost of sales	0	0
Gross profit (loss)	0	0
Operating expenses:
Sales and marketing	0	0
Research and development	0	0
General and administrative	24,983	28,286
Operating expenses	24,983	28,286
Operating income (loss)	(24,983)	(28,286)
Consumer Products segment
Segment Reporting Information [Line Items]
Net sales	69,528	60,110
Consumer Products segment | Operating segments
Segment Reporting Information [Line Items]
Net sales	69,528	60,110
Cost of sales	24,755	21,726
Gross profit (loss)	44,773	38,384
Operating expenses:
Sales and marketing	26,014	27,661
Research and development	4,273	4,214
General and administrative	0	0
Operating expenses	30,287	31,875
Operating income (loss)	14,486	6,509
Ingredients segment
Segment Reporting Information [Line Items]
Net sales	11,137	8,736
Ingredients segment | Operating segments
Segment Reporting Information [Line Items]
Net sales	11,137	8,736
Cost of sales	4,980	4,465
Gross profit (loss)	6,157	4,271
Operating expenses:
Sales and marketing	52	51
Research and development	685	612
General and administrative	0	0
Operating expenses	737	663
Operating income (loss)	5,420	3,608
Analytical Reference Standards and Services segment
Segment Reporting Information [Line Items]
Net sales	2,905	3,204
Analytical Reference Standards and Services segment | Operating segments
Segment Reporting Information [Line Items]
Net sales	2,905	3,204
Cost of sales	3,055	3,062
Gross profit (loss)	(150)	142
Operating expenses:
Sales and marketing	372	601
Research and development	0	0
General and administrative	0	0
Operating expenses	372	601
Operating income (loss)	$ (522)	$ (459)