Intangible Assets

9 Months Ended

Jun. 30, 2015

Intangible Assets [Abstract]

Intangible Assets

Intangible Assets

The following table sets forth the carrying value of intangible assets:

(in thousands)	As of June 30, 2015							As of September 30, 2014
	Gross Assets		Accumulated Amortization			Net Assets		Gross Assets		Accumulated Amortization			Net Assets
Fiber Optics:
Patents	3,274		(3,211		)	63		4,697		(4,615		)	82
Total	$	3,274	$	(3,211	)	$	63	$	4,697	$	(4,615	)	$	82

Amortization expense related to intangible assets is included in selling, general, and administrative expense on our statement of operations and comprehensive income (loss). Based on the carrying amount of our intangible assets as of June 30, 2015, estimated future amortization expense will be $6,000 for the remainder of fiscal 2015, and $25,000 and $32,000 for the fiscal years ending September 30, 2016 and 2017, respectively.