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Note 10 - Long-term Debt (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Long-Term Debt Instruments [Table Text Block]

Long-term debt at closing of Pharmakon loan

 $100,000 

Capitalized costs and discounts

  (4,217)

Interest expense

  8,438 

Amounts paid

  (6,685)

Carrying value of Pharmakon loan as of December 31, 2022

  97,537 

Interest expense

  7,314 

Amounts paid

  (6,555)

Carrying value of Pharmakon loan as of June 30, 2023

 $98,296