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Intangible and Other Non-Current Assets
6 Months Ended
Jun. 30, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Intangible and Other Non-Current Assets
INTANGIBLE AND OTHER NON-CURRENT ASSETS
Intangibles and other non-current assets at December 31, 2016 and June 30, 2017 were as follows (in thousands):
 
December 31, 2016
 
June 30, 2017
Prepaid agreements not-to-compete, net of accumulated amortization of $5,501 and $5,773, respectively
$
3,244

 
$
3,051

Tradenames
11,663

 
11,663

Other
50

 
31

Intangible and other non-current assets
$
14,957

 
$
14,745


Prepaid agreements not-to-compete are amortized over the term of the respective agreements, ranging generally from one to ten years. Amortization expense was approximately $99,000 and $136,000 for the three months ended June 30, 2016 and 2017, respectively, and $202,000 and $272,000 for the six months ended June 30, 2016 and 2017, respectively. Our tradenames have indefinite lives and therefore are not amortized.