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Segment Information (Tables) - Segment information (Details) (USD $)
 12 Months Ended
Feb. 28, 2014
Feb. 28, 2013
Net Sales $ 10,278,938 $ 9,542,354
Rental Expense 154,792 118,559
Interest Expense 110,151 113,931
Net Income (Loss) 484,474 132,251
Assets 9,779,161 9,066,444
Debt 1,670,524 2,113,235
Ultrasonic Spraying
    
Net Sales 10,202,273 9,490,564
Rental Expense 140,788 135,741
Interest Expense 2,411 3,546
Net Income (Loss) 529,553 173,664
Assets 7,268,871 6,574,429
Debt 81,165 140,619
Rental Real Estate Operations
    
Net Sales 217,453 187,531
Rental Expense 154,792 118,559
Interest Expense 107,740 110,385
Net Income (Loss) (45,079) (41,413)
Assets 2,510,290 2,492,015
Debt 1,589,360 1,972,616
Eliminations
    
Net Sales 140,788 135,741
Rental Expense (140,788) (135,741)
Consolidated
    
Net Sales 10,278,938 9,542,354
Rental Expense 154,792 118,559
Interest Expense 110,151 113,931
Net Income (Loss) 484,474 132,251
Assets 9,779,161 9,066,444
Debt $ 1,670,525 $ 2,113,235