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Schedule of Revenue Recognition - Sales Revenue by Product Line (Details) - USD ($)	3 Months Ended		9 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Disaggregation of Revenue [Line Items]
Sales revenue	$ 5,190,596	$ 5,690,022	$ 15,383,416	$ 14,932,157
Fluxing Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 71,000	$ 62,000	$ 324,000	$ 503,000
Sales revenue, percent	1.00%	1.00%	2.00%	4.00%
Integrated Coating Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 81,000	$ 1,418,000	$ 2,850,000	$ 2,579,000
Sales revenue, percent	2.00%	25.00%	19.00%	17.00%
Multi-Axis Coating Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 3,563,000	$ 2,962,000	$ 8,158,000	$ 7,648,000
Sales revenue, percent	69.00%	52.00%	53.00%	51.00%
OEM Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 259,000	$ 268,000	$ 796,000	$ 1,078,000
Sales revenue, percent	5.00%	5.00%	5.00%	7.00%
Other [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 1,217,000	$ 980,000	$ 3,255,000	$ 3,124,000
Sales revenue, percent	23.00%	17.00%	21.00%	21.00%
Total [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 5,191,000	$ 5,690,000	$ 15,383,000	$ 14,932,000

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