Intangible Assets

3 Months Ended

Jul. 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
July 31, 2015		amount		amortization		amount
Customer-related	$	6,236	$	(5,218)	$	1,018
Technology-based		2,638		(2,418)		220
Trademarks		4,600		(2,071)		2,529
Trade name		100		(100)		-
Total	$	13,574	$	(9,807)	$	3,767
		Gross				Net
		carrying		Accumulated		carrying
April 30, 2015		amount		amortization		amount
Customer-related	$	6,236	$	(5,083)	$	1,153
Technology-based		2,638		(2,346)		292
Trademarks		4,600		(1,943)		2,657
Trade name		100		(100)		-
Total	$	13,574	$	(9,472)	$	4,102

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 amortization expense for the three months ended July 31, 2015and 2014, was $0.3 million and $0.4 million, respectively.  The estimated future amortization expense related to intangible assets as of July 31, 2015, is as follows (in thousands):

Fiscal Year Ending April 30,		Amount
Remainder of 2016	$	761
2017		814
2018		774
2019		774
2020		558
Thereafter		86
Total	$	3,767