Business Segments and Concentrations - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Sales, net	$ 129,423	$ 99,597
Subtotal Niagen® Related
Disaggregation of Revenue [Line Items]
Sales, net	125,566	96,012
Tru Niagen®, Consumer Product
Disaggregation of Revenue [Line Items]
Sales, net	97,672	76,772
Food-grade Niagen®
Disaggregation of Revenue [Line Items]
Sales, net	24,110	17,540
Pharmaceutical-grade Niagen®
Disaggregation of Revenue [Line Items]
Sales, net	3,784	1,700
Subtotal Other Goods and Services
Disaggregation of Revenue [Line Items]
Sales, net	3,857	3,585
Other Ingredients
Disaggregation of Revenue [Line Items]
Sales, net	781	574
Reference Standards
Disaggregation of Revenue [Line Items]
Sales, net	3,003	2,891
Consulting and Other
Disaggregation of Revenue [Line Items]
Sales, net	73	120
Consumer Products segment
Disaggregation of Revenue [Line Items]
Sales, net	97,672	76,772
Consumer Products segment | Operating segments
Disaggregation of Revenue [Line Items]
Sales, net	97,672	76,772
Consumer Products segment | Subtotal Niagen® Related
Disaggregation of Revenue [Line Items]
Sales, net	97,672	76,772
Consumer Products segment | Tru Niagen®, Consumer Product
Disaggregation of Revenue [Line Items]
Sales, net	97,672	76,772
Consumer Products segment | Food-grade Niagen®
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Consumer Products segment | Pharmaceutical-grade Niagen®
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Consumer Products segment | Subtotal Other Goods and Services
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Consumer Products segment | Other Ingredients
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Consumer Products segment | Reference Standards
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Consumer Products segment | Consulting and Other
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Ingredients segment
Disaggregation of Revenue [Line Items]
Sales, net	28,675	19,814
Ingredients segment | Operating segments
Disaggregation of Revenue [Line Items]
Sales, net	28,675	19,814
Ingredients segment | Subtotal Niagen® Related
Disaggregation of Revenue [Line Items]
Sales, net	27,894	19,240
Ingredients segment | Tru Niagen®, Consumer Product
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Ingredients segment | Food-grade Niagen®
Disaggregation of Revenue [Line Items]
Sales, net	24,110	17,540
Ingredients segment | Pharmaceutical-grade Niagen®
Disaggregation of Revenue [Line Items]
Sales, net	3,784	1,700
Ingredients segment | Subtotal Other Goods and Services
Disaggregation of Revenue [Line Items]
Sales, net	781	574
Ingredients segment | Other Ingredients
Disaggregation of Revenue [Line Items]
Sales, net	781	574
Ingredients segment | Reference Standards
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Ingredients segment | Consulting and Other
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Analytical Reference Standards and Services segment
Disaggregation of Revenue [Line Items]
Sales, net	3,076	3,011
Analytical Reference Standards and Services segment | Operating segments
Disaggregation of Revenue [Line Items]
Sales, net	3,076	3,011
Analytical Reference Standards and Services segment | Subtotal Niagen® Related
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Analytical Reference Standards and Services segment | Tru Niagen®, Consumer Product
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Analytical Reference Standards and Services segment | Food-grade Niagen®
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Analytical Reference Standards and Services segment | Pharmaceutical-grade Niagen®
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Analytical Reference Standards and Services segment | Subtotal Other Goods and Services
Disaggregation of Revenue [Line Items]
Sales, net	3,076	3,011
Analytical Reference Standards and Services segment | Other Ingredients
Disaggregation of Revenue [Line Items]
Sales, net	0	0
Analytical Reference Standards and Services segment | Reference Standards
Disaggregation of Revenue [Line Items]
Sales, net	3,003	2,891
Analytical Reference Standards and Services segment | Consulting and Other
Disaggregation of Revenue [Line Items]
Sales, net	$ 73	$ 120