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REVENUE RECOGNITION (Tables)
6 Months Ended
Aug. 31, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of Revenue Recognition - Sales Revenue by Product Line
                                        
   Three Months Ended August 31,   Six Months Ended August 31, 
   2022   % of total   2021   % of total   2022   % of total   2021   % of total 
Fluxing Systems  $399,000    11%   $117,000    3%   $707,000    9%   $476,000    6% 
Integrated Coating Systems   425,000    11%    565,000    14%    594,000    8%    720,000    9% 
Multi-Axis Coating Systems   1,491,000    40%    1,891,000    46%    3,470,000    44%    3,970,000    52% 
OEM Systems   762,000    20%    845,000    21%    1,316,000    17%    1,171,000    15% 
Other   686,000    18%    652,000    16%    1,728,000    22%    1,378,000    18% 
TOTAL  $3,763,000        $4,070,000        $7,815,000        $7,715,000