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