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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]

Property and equipment, net consists of the following:
 
 
Useful Lives
(years)
 
2014
 
2013
Software – internally-developed
 
 
5
 
 
$
3,054
 
 
$
2,877
 
Software – purchased
 
 
3 – 5
 
 
 
152
 
 
 
596
 
Computer equipment
 
 
3 – 5
 
 
 
613
 
 
 
589
 
Medical equipment
 
 
5
 
 
 
626
 
 
 
—
 
Furniture and fixtures
 
 
5
 
 
 
390
 
 
 
358
 
Vehicles
 
 
5
 
 
 
43
 
 
 
—
 
Leasehold improvements
 
 
7
 
 
 
2,151
 
 
 
205
 
  
 
 
  
 
 
 
7,029
 
 
 
4,625
 
Accumulated depreciation and amortization
 
 
 
 
 
(2,707
) 
 
 
(3,389
) 
Property and equipment, net
 
 
 
 
$
4,322
 
 
$
1,236