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5. Equipment and Leasehold Improvements (Tables)
 12 Months Ended
Mar. 31, 2015
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block] Equipment and leasehold improvements consist of the following:

   
March 31,
 
   
2015
   
2014
 
Leasehold Improvements
 
$
94,413
   
$
94,413
 
Machinery and equipment
   
1,458,919
     
1,516,332
 
Automobiles
   
23,712
     
28,452
 
Sales equipment
   
572,236
     
586,265
 
Assets under capitalized leases
   
610,995
     
610,995
 
Less: Accumulated depreciation & amortization
   
(2,489,483
)
   
(2,385,584
)
   
$
270,792
   
$
450,873