Intangible Assets

6 Months Ended

Oct. 31, 2014

Intangible Assets [Abstract]

Intangible Assets

3.Intangible Assets    

Intangible asset balances by major asset class are as follows (in thousands):     

		Gross				Net
		carrying		Accumulated		carrying
October 31, 2014		amount		amortization		amount
Customer-related	$	6,236	$	(4,742)	$	1,494
Technology-based		2,638		(2,190)		448
Trademarks		4,600		(1,686)		2,914
Trade name		100		(100)		-
Total	$	13,574	$	(8,718)	$	4,856
		Gross				Net
		carrying		Accumulated		carrying
April 30, 2014		amount		amortization		amount
Customer-related	$	6,236	$	(4,403)	$	1,833
Technology-based		2,638		(2,034)		604
Trademarks		4,600		(1,423)		3,177
Trade name		100		(100)		-
Total	$	13,574	$	(7,960)	$	5,614

Acquired finite-lived intangible assets are generally amortized on a straight-line basis over their estimated useful lives. The useful life of finite-lived intangible assets is the period over which the asset is expected to contribute directly or indirectly to future cash flows of the Company.  Intangible asset amortization expense for the three months endedOctober 31, 2014 and 2013 was $0.4 million, respectively.  Intangible asset amortization for the six months endedOctober 31, 2014 and 2013 was $0.8 million, respectively.  The estimated future amortization expense related to intangible assets as of October 31, 2014 is as follows (in thousands):

Fiscal Year Ending April 30,		Amount
Remainder of 2015	$	756
2016		1,096
2017		814
2018		774
2019		774
Thereafter		642
Total	$	4,856