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Schedule of Revenue Recognition - Sales Revenue by Product Line (Details) - USD ($)	3 Months Ended
	May 31, 2023	May 31, 2022
Disaggregation of Revenue [Line Items]
Sales revenue	$ 3,603,018	$ 4,051,535
Fluxing Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 236,000	$ 309,000
Sales revenue, percent	6.00%	8.00%
Integrated Coating Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 309,000	$ 168,000
Sales revenue, percent	9.00%	4.00%
Multi-Axis Coating Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 1,763,000	$ 1,979,000
Sales revenue, percent	49.00%	49.00%
OEM Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 274,000	$ 554,000
Sales revenue, percent	8.00%	14.00%
SpareParts, Services and Other [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 1,021,000	$ 1,042,000
Sales revenue, percent	28.00%	25.00%
Total [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 3,603,000	$ 4,052,000

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