Business Segments - Segment Financial Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) reportable_segment	Mar. 31, 2021 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | reportable_segment	3
Segment Reporting Information [Line Items]
Net sales	$ 17,259	$ 14,683
Cost of sales	6,727	5,449
Gross profit	10,532	9,234
Operating expenses:
Sales and marketing	8,237	6,258
Research and development	1,078	787
General and administrative	8,949	9,551
Total operating expenses	18,264	16,596
Operating loss	(7,732)	(7,362)
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	8,949	9,551
Total operating expenses	8,949	9,551
Operating loss	(8,949)	(9,551)
Consumer Products segment
Segment Reporting Information [Line Items]
Net sales	14,937	12,437
Consumer Products segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	14,937	12,437
Cost of sales	5,252	4,203
Gross profit	9,685	8,234
Operating expenses:
Sales and marketing	8,074	6,111
Research and development	1,002	718
General and administrative	0	0
Total operating expenses	9,076	6,829
Operating loss	609	1,405
Ingredients segment
Segment Reporting Information [Line Items]
Net sales	1,427	1,315
Ingredients segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,427	1,315
Cost of sales	722	563
Gross profit	705	752
Operating expenses:
Sales and marketing	24	10
Research and development	76	69
General and administrative	0	0
Total operating expenses	100	79
Operating loss	605	673
Analytical Reference Standards and Services segment
Segment Reporting Information [Line Items]
Net sales	895	931
Analytical Reference Standards and Services segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	895	931
Cost of sales	753	683
Gross profit	142	248
Operating expenses:
Sales and marketing	139	137
Research and development	0	0
General and administrative	0	0
Total operating expenses	139	137
Operating loss	$ 3	$ 111