The revenues, by category, for the three and six months ended June 30, 2023 and 2022 are as follows: (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue from External Customer [Line Items]
Total revenue	$ 11,872	$ 11,222	$ 21,329	$ 19,378
Solesence [Member]
Revenue from External Customer [Line Items]
Total revenue	7,779	7,099	12,823	12,659
Personal Care ingredients [Member]
Revenue from External Customer [Line Items]
Total revenue	3,037	3,305	6,581	5,687
Advanced Materials [Member]
Revenue from External Customer [Line Items]
Total revenue	$ 1,056	$ 818	$ 1,925	$ 1,032