Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Note 12 - Notes Payable (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 29, 2022
Debt Instrument [Line Items]
Notes payable, current	$ 56	$ 52
Promissory Note [Member]
Debt Instrument [Line Items]
Notes payable, current	$ 56	$ 52
Viewpoint Molecular Targeting, Inc. [Member] \| Promissory Note for Purchasing Land and Building [Member]
Debt Instrument [Line Items]
Debt instrument, face amount			$ 1,700
Debt instrument, interest rate			6.15%
Debt instrument balloon payment			$ 1,500