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Trade and Other Receivables
 12 Months Ended
Dec. 31, 2015
Receivables [Abstract]  
Trade and Other Receivables
Trade and Other Receivables
Trade and other receivables consisted of the following as of December 31:
 
2015
 
2014
 
(in thousands)
Trade receivables
$
9,893

 
$
7,160

Insurance recoveries receivable
2,714

 
1,560

Interest receivable
1,175

 
869

Other receivables
406

 
692

Less allowance for doubtful accounts
(214
)
 
(61
)
Total trade and other receivables
$
13,974

 
$
10,220