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Segment Information (Details) (USD $)
 3 Months Ended 9 Months Ended
Nov. 30, 2013
Nov. 30, 2012
Nov. 30, 2013
Nov. 30, 2012
Feb. 28, 2013
Net Sales $ 2,650,225 $ 2,202,406 $ 7,561,998 $ 7,433,215  
Rental Expense 48,791 28,807 118,890 86,437  
Interest Expense 27,152 28,364 82,396 86,012  
Net Income (Loss) 171,247 25,265 350,424 96,101  
Assets 10,078,153   10,078,153   9,066,444
Debt 2,019,218   2,019,218   2,113,235
Ultrasonic Spraying
          
Net Sales 2,631,475 2,191,956 7,504,082 7,393,470  
Rental Expense 33,935 33,935 101,805 101,805  
Interest Expense 556 874 1,927 2,897  
Net Income (Loss) 193,949 37,177 390,062 124,103  
Assets 7,617,337 6,839,711 7,617,337 6,839,711  
Debt 96,143 155,400 96,143 155,400  
Rental Real Estate Operations
          
Net Sales 52,685 44,385 159,721 141,550  
Rental Expense 48,791 28,807 118,890 86,437  
Interest Expense 26,596 27,490 80,469 83,115  
Net Income (Loss) (22,702) (11,912) (39,638) (28,002)  
Assets 2,460,816 2,482,727 2,460,816 2,482,727  
Debt 1,923,075 1,988,683 1,923,075 1,988,683  
Eliminations
          
Net Sales 33,935 33,935 101,805 101,805  
Rental Expense (33,935) (33,935) (101,805) (101,805)  
Consolidated
          
Net Sales 2,650,225 2,202,406 7,561,998 7,433,215  
Rental Expense 48,791 28,807 118,890 86,437  
Interest Expense 27,152 28,364 82,396 86,012  
Net Income (Loss) 171,247 25,265 350,424 96,101  
Assets 10,078,153 9,322,438 10,078,153 9,322,438  
Debt $ 2,019,218 $ 2,144,083 $ 2,019,218 $ 2,144,083