Intangible Assets and Goodwill

3 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets and Goodwill

7. Intangible Assets and Goodwill

The following tables present certain information regarding our intangible assets. Amortizable intangible assets are being amortized on a straight-line basis over their estimated useful lives of ten years with no estimated residual values, which materially approximates the expected pattern of use.

	December 31, 2018			September 30, 2018
Trademarks	$	17,267		$	17,635
Customer relationships		14,757			15,071
		32,024			32,706
Less: accumulated amortization		(27,221	)		(26,983	)
	$	4,803		$	5,723

Aggregate intangible asset amortization expense amounted to $800 and $842 for the three months ended December 31, 2018 and 2017, respectively.

The estimated intangible asset amortization expense for the years ending December 31 are as follows:

Year ending December 31,
2019	$	3,202
2020		1,601
Total	$	4,803

Goodwill

The difference in the carrying amount of goodwill at December 31, 2018 and September 30, 2018 (amounting to $956), as reported in the accompanying unaudited interim condensed consolidated balance sheets, is attributable to foreign currency translation adjustments.