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Property, Plant and Equipment
12 Months Ended
Jun. 30, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
4. Property, Plant and Equipment
 
Property, plant and equipment consist of the following:
  
 
 
June 30,
 
June 30,
 
 
 
2013
 
2012
 
Machinery and equipment
 
$
1,861,167
 
$
1,807,649
 
Furniture and fixtures
 
 
1,185,660
 
 
1,115,039
 
Automobiles
 
 
22,328
 
 
22,328
 
Leasehold improvements
 
 
443,233
 
 
443,233
 
Demonstration and consignment inventory
 
 
1,919,490
 
 
1,290,590
 
 
 
 
5,431,878
 
 
4,678,839
 
Less: accumulated depreciation and amortization
 
 
(4,105,292)
 
 
(3,787,017)
 
 
 
$
1,326,586
 
$
891,822
 
 
Depreciation and amortization of property, plant and equipment totaled approximately $550,000 and $494,000 for the years ended June 30, 2013 and 2012, respectively.