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Property and Equipment, net | 6 Months Ended
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Oct. 31, 2020
Property, Plant and Equipment [Abstract] |
Property and Equipment, net | (5) Property and Equipment, net The components of property and equipment, net as of October 31, 2020 and April 30, 2020 consisted of the following:
|  | October 31, 2020 |  |  | April 30, 2020 |
|  | (in thousands) |
Equipment |  | $ | 342 |  |  |  | 342 |
Computer equipment & software |  |  | 476 |  |  |  | 486 |
Office furniture & equipment |  |  | 339 |  |  |  | 339 |
Leasehold improvements |  |  | 474 |  |  |  | 474 |
Construction in process |  |  | 15 |  |  |  | 15 |
|  | $ | 1,646 |  |  | $ | 1,656 |
Less: accumulated depreciation |  |  | (1,221 | ) |  |  | (1,157 | )
|  | $ | 425 |  |  | $ | 499 |
Depreciation expense was approximately $36,000 and $39,000 for the three-month periods ended October 31, 2020 and 2019, and approximately $73,000 and $77,000 for the six-month periods ended October 31, 2020 and 2019, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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