Schedule of Revenue Recognition - Sales Revenue by Product Line (Details) - USD ($)	3 Months Ended		9 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Disaggregation of Revenue [Line Items]
Sales revenue	$ 5,690,022	$ 3,586,165	$ 14,932,157	$ 11,401,029
Fluxing Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 62,000	$ 252,000	$ 503,000	$ 960,000
Sales revenue, percent	1.00%	7.00%	4.00%	8.00%
Integrated Coating Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 1,418,000	$ 193,000	$ 2,579,000	$ 787,000
Sales revenue, percent	25.00%	5.00%	17.00%	7.00%
Multi-Axis Coating Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 2,962,000	$ 1,493,000	$ 7,648,000	$ 4,962,000
Sales revenue, percent	52.00%	42.00%	51.00%	44.00%
OEM Systems [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 268,000	$ 503,000	$ 1,078,000	$ 1,819,000
Sales revenue, percent	5.00%	14.00%	7.00%	16.00%
Other [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 980,000	$ 1,145,000	$ 3,124,000	$ 2,873,000
Sales revenue, percent	17.00%	32.00%	21.00%	25.00%
Total [Member]
Disaggregation of Revenue [Line Items]
Sales revenue	$ 5,690,000	$ 3,586,000	$ 14,932,000	$ 11,401,000