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Indebtedness (Tables)
 12 Months Ended
Dec. 31, 2014
Indebtedness  
Schedule of long-term debt

Long-term debt consists of the following (in thousands):

 

 

December 31,

 

 

 

2014

 

2013

 

Equipment loans

 

$
2,866

 

$
3,843

 

Total long-term debt

 
2,866

 
3,843

 

Current installments

 
(993

)
(976

)

Long-term debt, excluding current installments

 

$
1,873

 

$
2,867

 

 

Schedule of aggregate maturities of long-term debt

 

Aggregate maturities of long-term debt are as follows (in thousands):

Year ending December 31:

 

 

 

2015

 

$
993 

 

2016

 
1,014 

 

2017

 
859 

 

 

 

$
2,866