Note 9 - Discontinued Operations - Schedule of operating results of discontinued operations (Details 3 ) - NutraScience Labs (“NSL”) operations - Discontinued Operations [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Discontinued Operations, Statements of Operations Disclosures
Net sales	$ 0	$ 1	$ 0	$ 7,106
Cost of sales	0	(9)	0	(6,796)
Operating costs and expense	28	(3,006)	279	(5,325)
Income (loss) from discontinued operations before Provision for income taxes	28	(3,014)	279	(5,015)
Provision expense for income taxes	0	0	0	0
Income (loss) from discontinued operations, net of tax	$ 28	$ (3,014)	$ 279	$ (5,015)