Business Segments - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 17,308	$ 14,180	$ 49,690	$ 43,812
Subtotal NIAGEN® Related
Disaggregation of Revenue [Line Items]
Net sales	16,437	12,783	46,754	39,603
TRU NIAGEN®, Consumer Product
Disaggregation of Revenue [Line Items]
Net sales	14,772	11,904	42,605	34,768
NIAGEN® Ingredient
Disaggregation of Revenue [Line Items]
Net sales	1,665	879	4,149	4,835
Subtotal Other Goods and Services
Disaggregation of Revenue [Line Items]
Net sales	871	1,397	2,936	4,209
Other Ingredients
Disaggregation of Revenue [Line Items]
Net sales	124	631	459	2,000
Reference Standards
Disaggregation of Revenue [Line Items]
Net sales	735	695	2,230	2,054
Consulting and Other
Disaggregation of Revenue [Line Items]
Net sales	12	71	247	155
Consumer Products segment
Disaggregation of Revenue [Line Items]
Net sales	14,772	11,904	42,605	34,768
Consumer Products segment | Subtotal NIAGEN® Related
Disaggregation of Revenue [Line Items]
Net sales	14,772	11,904	42,605	34,768
Consumer Products segment | TRU NIAGEN®, Consumer Product
Disaggregation of Revenue [Line Items]
Net sales	14,772	11,904	42,605	34,768
Consumer Products segment | NIAGEN® Ingredient
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Consumer Products segment | Subtotal Other Goods and Services
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Consumer Products segment | Other Ingredients
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Consumer Products segment | Reference Standards
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Consumer Products segment | Consulting and Other
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Ingredients segment
Disaggregation of Revenue [Line Items]
Net sales	1,789	1,510	4,608	6,835
Ingredients segment | Subtotal NIAGEN® Related
Disaggregation of Revenue [Line Items]
Net sales	1,665	879	4,149	4,835
Ingredients segment | TRU NIAGEN®, Consumer Product
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Ingredients segment | NIAGEN® Ingredient
Disaggregation of Revenue [Line Items]
Net sales	1,665	879	4,149	4,835
Ingredients segment | Subtotal Other Goods and Services
Disaggregation of Revenue [Line Items]
Net sales	124	631	459	2,000
Ingredients segment | Other Ingredients
Disaggregation of Revenue [Line Items]
Net sales	124	631	459	2,000
Ingredients segment | Reference Standards
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Ingredients segment | Consulting and Other
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Analytical Reference Standards and Services segment
Disaggregation of Revenue [Line Items]
Net sales	747	766	2,477	2,209
Analytical Reference Standards and Services segment | Subtotal NIAGEN® Related
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Analytical Reference Standards and Services segment | TRU NIAGEN®, Consumer Product
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Analytical Reference Standards and Services segment | NIAGEN® Ingredient
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Analytical Reference Standards and Services segment | Subtotal Other Goods and Services
Disaggregation of Revenue [Line Items]
Net sales	747	766	2,477	2,209
Analytical Reference Standards and Services segment | Other Ingredients
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Analytical Reference Standards and Services segment | Reference Standards
Disaggregation of Revenue [Line Items]
Net sales	735	695	2,230	2,054
Analytical Reference Standards and Services segment | Consulting and Other
Disaggregation of Revenue [Line Items]
Net sales	$ 12	$ 71	$ 247	$ 155