XML 38 R22.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2017
Summary of Significant Accounting Policies [Abstract]  
Schedule of Asset Retirement Obligations

The table below (in thousands) reflects the changes to our ARO:



 

 

 

 

 

 

 



 

 

 

 

 

 

 



 

 

 

 

 

 

 

   

   

2017

 

 

2016

Balance, beginning of year

   

$

13,260 

 

 

$

12,231 

Accretion

   

 

861 

 

 

 

1,029 

Revision

 

 

(112)

 

 

 

-

Payment

   

 

(203)

 

 

 

             -

Balance, end of year

   

$

13,806 

 

 

$

13,260 

Less current portion

 

 

(300)

 

 

 

(145)

Long-term balance, end of year

 

 

13,506 

 

 

 

13,115