v3.26.1
Note 5 - Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

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June 30, 2026

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December 31, 2025

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Level 1

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​

Level 2

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​

Level 3

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Level 1

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​

Level 2

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​

Level 3

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Assets:

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

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Restricted cash

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$

710

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​

​

—

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​

​

—

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$

710

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​

​

—

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​

​

—

​

Note(1)

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​

—

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​

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2,718

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​

​

—

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​

​

—

​

​

​

—

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​

​

—

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Liabilities:

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Debt, net(2)

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—

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27,526

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​

​

—

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​

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—

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31,772

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​

​

—

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Convertible Notes with related parties

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​

—

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​

​

—

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​

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5,155

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​

​

—

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​

​

—

​

​

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3,734

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Contingent consideration in connection with TAPP(3)

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​

—

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​

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—

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​

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—

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—

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—

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34

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Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

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Amount

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Fair value as of December 31, 2025

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$

3,734

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Loss on change in fair value reported in the consolidated statements of operations

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​

1,421

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Fair value as of June 30, 2026

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$

5,155

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​

​

Amount

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Fair value as of December 31, 2025

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$

34

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Payment of compensation expense

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​

(34

)

Fair value as of June 30, 2026

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$

0

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Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

Assumptions

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June 30, 2026

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Face value of principal payable

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$

2,601

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Strike price

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​

3.01

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Value of common stock

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​

3.73

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Expected term (years)

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2.8

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Volatility

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​

76.0

%

Risk free rate

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​

4.2

%

Discount rate

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​

13.9

%