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Segment Information (Tables)
 6 Months Ended
Aug. 31, 2014
Segment Information Tables  
Segment information
   Six Months Ended August 31, 2014  Three Months Ended August 31, 2014
   Ultrasonic
Spraying		  Rental Real
Estate
Operations		  Eliminations  Consolidated  Ultrasonic
Spraying		  Rental Real
Estate
Operations		  Eliminations  Consolidated
Net Sales  $5,011,376   $141,199   $98,149   $5,054,426   $2,609,427   $73,374   $49,074   $2,633,727 
Rental Expense  $98,149   $81,574   $(98,149)  $81,574   $49,074   $42,414   $(49,074)  $42,414 
Interest Expense  $833   $31,477        $32,310   $472   $15,803        $16,275 
Net Income (Loss)  $154,352   $27,315        $181,667   $100,339   $14,685        $115,024 
Assets  $7,472,177   $2,475,802        $9,947,979   $7,472,177   $2,475,802        $9,947,979 
Debt  $51,073   $1,523,793        $1,574,866   $51,073   $1,523,793        $1,574,866 

 

   Six Months Ended August 31, 2013  Three Months Ended August 31, 2013
   Ultrasonic
Spraying		  Rental Real
Estate
Operations		  Eliminations  Consolidated  Ultrasonic
Spraying		  Rental Real
Estate
Operations		  Eliminations  Consolidated
Net Sales  $4,872,607   $107,036   $67,871   $4,911,772   $2,518,628   $52,685   $33,935   $2,537,378 
Rental Expense  $67,871   $70,099   $(67,871)  $70,099   $33,935   $35,618   $(33,935)  $35,618 
Interest Expense  $1,371   $53,873        $55,244   $825   $26,824        $27,649 
Net Income (Loss)  $196,113   ($16,936)       $179,177   $149,120   ($43,691)       $105,429 
Assets  $7,514,178   $2,460,516        $9,974,694   $7,514,178   $2,460,516        $9,974,694 
Debt  $111,041   $1,939,815        $2,050,856   $111,041   $1,939,815        $2,050,856