Note 17 - Research and Development Expenses (Tables)

12 Months Ended

Feb. 28, 2026

	*February 28,*		February 28,
	*2026*		2025
Employee compensation including stock-based compensation	$	2,367	$	3,576
External engineering		96		1,477
Plant and laboratory operating expenses		836		869
Machinery and equipment expenditures		2		64
Other		171		660
	$	3,472	$	6,646