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Fixed Assets (Tables)
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Fixed assets are recorded at cost less accumulated depreciation and depreciated on the declining balance basis over the estimated useful lives of the assets as follows:
Asset
 
Rate
Equipment
 
20% to 30%
Vehicles and office and computer equipment
 
30
Leasehold improvements
 
Shorter of useful life or lease term
Equipment under capital lease
 
Lease term which approximates its useful life
Fixed assets consisted of the following as of December 31 (in thousands):
 
2012
 
2011
Vehicles
$
456

 
$
527

Leasehold improvements and equipment
796

 
933

Office and computer equipment
1,032

 
1,032

 
2,284

 
2,492

Accumulated depreciation
(1,787
)
 
(1,648
)
 
$
497

 
$
844