| Property, Plant and Equipment [Table Text Block] |
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|
|
June
30,
|
|
|
December
31,
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|
|
|
|
2012
|
|
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2011
|
|
|
|
|
|
|
|
|
|
|
Equipment
|
|
|
1,010,608
|
|
|
$
|
934,253
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|
|
Furniture
and fixtures
|
|
|
105,376
|
|
|
|
106,054
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|
|
Leasehold
improvements
|
|
|
157,236
|
|
|
|
157,236
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|
|
Computer
equipment and software
|
|
|
106,557
|
|
|
|
101,482
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|
|
Loaned
systems
|
|
|
861,131
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|
|
|
723,975
|
|
|
|
|
|
2,240,908
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|
|
|
2,023,000
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|
Less
accumulated depreciation and amortization
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(1,003,731
|
)
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|
|
(804,170
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)
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|
Total
property and equipment, net
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|
|
1,237,177
|
|
|
$
|
1,218,830
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|
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2011
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|
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2010
|
|
|
Equipment
|
|
$
|
934,253
|
|
|
$
|
906,485
|
|
|
Furniture
and fixtures
|
|
|
106,054
|
|
|
|
106,053
|
|
|
Leasehold
improvements
|
|
|
157,236
|
|
|
|
157,236
|
|
|
Computer
equipment and software
|
|
|
101,482
|
|
|
|
103,150
|
|
|
Loaned
systems
|
|
|
723,975
|
|
|
|
173,870
|
|
|
|
|
|
2,023,000
|
|
|
|
1,446,794
|
|
|
Less
accumulated depreciation and amortization
|
|
|
(804,170
|
)
|
|
|
(467,285
|
)
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|
Total
property and equipment, net
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|
$
|
1,218,830
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$
|
979,509
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|