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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2013
Property and Equipment

Cost, accumulated depreciation, and the related estimated useful lives of property and equipment as of December 31, 2013 and 2012 are as follows:

 

 

  

2013

 

 

2012

 

 

Useful lives

 

Office furniture and equipment

  

$

2,073

  

 

$

1,631

  

 

 

3-7 years

  

Rental inventory

  

 

2,142

  

 

 

3,147

  

 

 

5 years

  

Vehicles

  

 

76

  

 

 

76

  

 

 

5 years

  

Leasehold improvements

  

 

486

  

 

 

375

  

 

 

2-6 years

  

Assembly equipment

  

 

171

  

 

 

168

  

 

 

7 years

  

 

  

 

 

 

 

 

 

 

 

 

 

 

 

  

 

4,948

  

 

 

5,397

  

 

 

 

 

Less accumulated depreciation

  

 

(2,057

) 

 

 

(1,692

)

 

 

 

 

 

  

 $

 2,891

   

 

 $

 3,705