Intangible Assets

9 Months Ended

Jan. 31, 2015

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
January 31, 2015		amount		amortization		amount
Customer-related	$	6,236	$	(4,913)	$	1,323
Technology-based		2,638		(2,268)		370
Trademarks		4,600		(1,814)		2,786
Trade name		100		(100)		-
Total	$	13,574	$	(9,095)	$	4,479
		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 endedJanuary 31, 2015 and 2014 was $0.4 million, respectively.  Intangible asset amortization expense for the nine months endedJanuary 31, 2015 and 2014 was $1.1 million and $1.2 million, respectively.  The estimated future amortization expense related to intangible assets as of January 31, 2015 is as follows (in thousands):

Fiscal Year Ending April 30,		Amount
Remainder of 2015	$	379
2016		1,096
2017		814
2018		774
2019		774
Thereafter		642
Total	$	4,479