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Capital Lease Obligations (Tables)
12 Months Ended
Dec. 31, 2013
Debt Disclosure [Abstract]  
Schedule of Future Minimum Lease Payments for Capital Leases
Future minimum commitments under all non-cancelable capital leases are as follows (in thousands):

 
Total
 
Interest
 
Principal
2014
225

 
8

 
217

2015
43

 
1

 
42

2016
1

 

 
1

 
$
269

 
$
9

 
$
260