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IDENTIFIED INTANGIBLE ASSETS AND LIABILITIES | 12 Months Ended
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Apr. 30, 2017
IDENTIFIED INTANGIBLE ASSETS AND LIABILITIES [Abstract] |
IDENTIFIED INTANGIBLE ASSETS AND LIABILITIES | NOTE 5 • IDENTIFIED INTANGIBLE ASSETS AND LIABILITIES Our identified intangible assets and intangible liabilities at April 30, 2017 and 2016 were as follows:
|  | (in thousands) |
|  | April 30, 2017 |  | April 30, 2016 |
Identified intangible assets (included in intangible assets): |  |  |  |  |  |  |
Gross carrying amount |  | $ | 6,102 |  | $ | 8,088 |
Accumulated amortization |  |  | (5,444) |  |  | (6,230) |
Net carrying amount |  | $ | 658 |  | $ | 1,858 |
Identified intangible liabilities (included in other liabilities): |  |  |  |  |  |  |
Gross carrying amount |  | $ | 156 |  | $ | 159 |
Accumulated amortization |  |  | (76) |  |  | (55) |
Net carrying amount |  | $ | 80 |  | $ | 104 |
Amortization of identified intangible assets (a component of depreciation and amortization expense) was $1.2 million, $1.7 million and $1.5 million for the twelve months ended April 30, 2017, 2016 and 2015, respectively. The estimated annual amortization of identified intangible assets for each of the five succeeding fiscal years is immaterial.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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