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REVENUE RECOGNITION - Sales Revenue by Product Line (Details) - USD ($)	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022
Disaggregation of Revenue [Line Items]
Sales revenue	$ 15,058,203	$ 17,132,710
Fluxing Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 1,179,000	$ 691,000
Sales revenue, percent	8.00%	4.00%
Integrated Coating Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 1,114,000	$ 1,182,000
Sales revenue, percent	7.00%	7.00%
Multi Axis Coating Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 6,785,000	$ 9,912,000
Sales revenue, percent	45.00%	58.00%
Oem Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 2,144,000	$ 2,381,000
Sales revenue, percent	14.00%	14.00%
Other Product Line [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 3,836,000	$ 2,967,000
Sales revenue, percent	26.00%	17.00%
Total Product Line
Disaggregation of Revenue [Line Items]
Sales revenue	$ 15,058,000	$ 17,133,000

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