Note 8 - Convertible Notes, Embedded Derivatives and Pre-Funded Warrants (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Convertible Debt [Table Text Block]

Convertible debenture terms		January Debenture				February Debenture				March Debenture
Issue date		Jan. 26, 2026				Feb. 19, 2026				Mar. 10, 2026
Principal amount		$	600,000			$	750,000			$	3,000,000
Maturity		Jan. 26, 2027				Feb. 19, 2027				Mar. 10, 2027
Interest rate		12%; 18% upon event of default				12%; 18% upon event of default				12%; 18% upon event of default
Fixed conversion price		$	18.75			$	18.75			$	18.75
Variable conversion price		85% of lowest daily VWAP over seven trading days, subject to floor				85% of lowest daily VWAP over seven trading days, subject to floor				85% of lowest daily VWAP over seven trading days, subject to floor
Floor price		$	1.42			$	1.45			$	1.39

Schedule of Debt [Table Text Block]

Convertible debt, warrant and related financial statement presentation reconciliation (USD in thousands)		Amount, KUSD
Balance Sheet – March 31, 2026
Gross convertible notes payable			4,350
Unamortized debt discount			(3,651	)
Convertible notes payable, net of discount			699
Embedded conversion derivative liability			3,708
Accrued interest payable			44
Pre-funded warrant APIC (equity)			1,420
Income Statement –Months Ended March 31, 2026
Day-one loss on derivative liability			(1,083	)
Gain on change in fair value of embedded derivatives			591
Coupon interest expense			(44	)
Debt discount amortization expense			(62	)
Total interest expense			113