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Business Combinations Business Acquisitions, Pro Forma Information (Tables) (Sabine, Inc. [Member])
 3 Months Ended
Mar. 31, 2015
Sabine, Inc. [Member]
  
Business Combinations, Pro Forma Information [Line Items]  
Business Acquisition, Pro Forma Information [Table Text Block]
Revenue and earnings of the combined entity as though the business combination occurred as of January 1, 2014 were as follows:
 
Three months ended March 31,
 
2015
 
2014
Revenue
$
13,586

 
$
12,977

Earnings
1,272

 
244

Basic earnings per common share
$
0.14

 
$
0.03

Diluted earnings per common share
$
0.13

 
$
0.03