Note 9 - Discontinued Operations - Schedule of major classes of assets and liabilities of discontinued operations as reported on the Balance Sheet (Details 2) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Carrying amounts of assets associated with NutraScience Labs included as part of discontinued operations:
Current assets of discontinued operations	$ 0	$ 161
Carrying amounts of liabilities associated with NutraScience Labs included as part of discontinued operations:
Current liabilities of discontinued operations	7,101	7,257
NutraScience Labs (“NSL”) operations | Discontinued Operations [Member]
Carrying amounts of assets associated with NutraScience Labs included as part of discontinued operations:
Accounts receivable, net	0	161
Current assets of discontinued operations	0	161
Carrying amounts of liabilities associated with NutraScience Labs included as part of discontinued operations:
Accounts payable	4,321	4,722
Accrued expenses and other current liabilities	2,300	2,055
Short-term operating lease liabilities	480	480
Current liabilities of discontinued operations	$ 7,101	$ 7,257