Quarterly report [Sections 13 or 15(d)]

Note 7 - Accrued Liabilities - Warrant Liability (Details)

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Note 7 - Accrued Liabilities - Warrant Liability (Details) - Warranty [Member]
$ in Thousands
3 Months Ended
Mar. 31, 2026
USD ($)
Balance $ 452
Additions for estimated future expense 54
Incurred costs (125)
Balance 381
Current portion 309
Long-term portion 72
Total $ 381