Schedule of Revenue Recognition - Sales Revenue by Product Line (Details) - USD ($)	3 Months Ended		6 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Disaggregation of Revenue [Line Items]
Sales revenue	$ 5,639,117	$ 3,763,329	$ 9,242,135	$ 7,814,864
Fluxing Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 204,000	$ 399,000	$ 440,000	$ 707,000
Sales revenue, percent	4.00%	11.00%	5.00%	9.00%
Integrated Coating Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 853,000	$ 425,000	$ 1,162,000	$ 594,000
Sales revenue, percent	15.00%	11.00%	12.00%	8.00%
Multi-Axis Coating Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 2,923,000	$ 1,491,000	$ 4,686,000	$ 3,470,000
Sales revenue, percent	52.00%	40.00%	51.00%	44.00%
OEM Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 535,000	$ 762,000	$ 810,000	$ 1,316,000
Sales revenue, percent	9.00%	20.00%	9.00%	17.00%
SpareParts, Services and Other [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 1,124,000	$ 686,000	$ 2,144,000	$ 1,728,000
Sales revenue, percent	20.00%	18.00%	23.00%	22.00%
Total [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 5,639,000	$ 3,763,000	$ 9,242,000	$ 7,815,000