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Segment Information (Details) (USD $)
 3 Months Ended 6 Months Ended
Aug. 31, 2014
Aug. 31, 2013
Aug. 31, 2014
Aug. 31, 2013
Feb. 28, 2014
Net Sales $ 2,633,727 $ 2,537,378 $ 5,054,426 $ 4,911,772  
Rental Expense 42,414 35,618 81,574 70,100  
Interest Expense 16,275 27,649 32,310 55,244  
Net Income (Loss) 115,024 105,429 181,667 179,177  
Assets 9,947,979   9,947,979   9,779,161
Debt 1,574,866   1,574,866   1,670,524
Ultrasonic Spraying
          
Net Sales 2,609,427 2,518,628 5,011,376 4,872,607  
Rental Expense 49,074 33,935 98,149 67,871  
Interest Expense 472 825 833 1,371  
Net Income (Loss) 100,339 149,120 154,352 196,113  
Assets 7,472,177 7,514,178 7,472,177 7,514,178  
Debt 51,073 111,041 51,073 111,041  
Rental Real Estate Operations
          
Net Sales 73,374 52,685 141,199 107,036  
Rental Expense 42,414 35,618 81,574 70,099  
Interest Expense 15,803 26,824 31,477 53,873  
Net Income (Loss) 14,685 43,691 27,315 16,936  
Assets 2,475,802 2,460,516 2,475,802 2,460,516  
Debt 1,523,793 1,939,815 1,523,793 1,939,815  
Eliminations
          
Net Sales 49,074 33,935 98,149 67,871  
Rental Expense (49,074) (33,935) (98,149) (67,871)  
Consolidated
          
Net Sales 2,633,727 2,537,378 5,054,426 4,911,772  
Rental Expense 42,414 35,618 81,574 70,099  
Interest Expense 16,275 27,649 32,310 55,244  
Net Income (Loss) 115,024 105,429 181,667 179,177  
Assets 9,947,979 9,974,694 9,947,979 9,974,694  
Debt $ 1,574,866 $ 2,050,856 $ 1,574,866 $ 2,050,856