Note 10 - Series B Convertible Preferred Stock - Schedule of Series B Preferred Stock (Details) - USD ($) $ in Thousands	May 31, 2026	Feb. 28, 2026
Stated value	$ 11,439	$ 11,439
Accrued PIK dividends	990	615
Series B Convertible Preferred Stock	$ 12,429	$ 12,054

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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