DEFERRED CHARGES AND OTHER NON-CURRENT ASSETS

Deferred charges and other non-current assets at December 31, 2014 and 2015 were as follows (in thousands):



	December 31, 2014		December 31, 2015
Prepaid agreements not to compete, net of accumulated amortization of $5,105 and $5,404, respectively	$	1,159	$	1,912
Deferred loan costs, net of accumulated amortization of $2,809 and $3,246, respectively	1,870		1,445
Convertible subordinated notes issuance costs, net of accumulated amortization of $375 and $858, respectively	3,252		2,769
Tradenames	7,660		8,856
Other	323		210
Deferred charges and other non-current assets	$	14,264	$	15,192

Prepaid agreements not-to-compete are amortized over the term of the respective agreements, ranging generally from one to ten years. Amortization expense was $79,207, $348,602 and $299,742 for the years ended December 31, 2013, 2014 and 2015, respectively. Deferred loan costs are being amortized over the term of the related debt using the effective interest method. Debt issuance costs related to our Convertible Notes issued in March 2014 are being amortized using the effective interest method over the seven year term of the notes. See Note 14 to the Consolidated Financial Statements herein for further discussion related to our Convertible Notes. Our tradenames have indefinite lives and therefore are not amortized. During the year ended December 31, 2015, we increased tradenames by approximately $1.2 million related to the acquisition of a funeral home business in February 2015 and we increased agreements not to compete by approximately $0.8 million related to the acquisition of a funeral home business in November 2015.