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Note 7 - Commitments and Contingencies (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

Remainder of 2024

  $ 575  

2025

    543  

Total minimum lease payments

    1,118  

Less: amount of lease payments representing interest

    (30 )

Present value of future minimum lease payments

    1,088  

Less: operating lease obligations, current portion

    (1,088 )

Operating lease obligations, long-term portion

  $