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(1) Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2013
Accounting Policies [Abstract]  
Schedule of Asset Retirement Obligations [Table Text Block]
   
2013
   
2012
 
Balance beginning of year
 
$
2,573
   
$
2,276
 
Accretion
   
182
     
138
 
Additions – primarily Ace for 2013
   
2,535
     
159
 
Balance end of year
 
$
5,290
   
$
2,573