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Property and Equipment | 12 Months Ended
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Apr. 30, 2022
Property, Plant and Equipment [Abstract] |
Property and Equipment | (6) Property and Equipment The components of property and equipment as of April 30, 2022 and 2021 consisted of the following: Schedule of Components of Property and Equipment
|  | April 30, 2022 |  |  | April 30, 2021 |
|  | (in thousands) |
Equipment |  | $ | 615 |  |  | $ | 291 |
Computer equipment & software |  |  | 571 |  |  |  | 498 |
Office furniture & equipment |  |  | 352 |  |  |  | 341 |
Leasehold improvements |  |  | 477 |  |  |  | 474 |
Construction in process |  |  | 15 |  |  |  | 15 |
Property and equipment, gross |  | $ | 2,030 |  |  | $ | 1,619 |
Less: accumulated depreciation |  |  | (1,585 | ) |  |  | (1,213 | )
Property and equipment, net |  | $ | 445 |  |  | $ | 406 |
Depreciation expense was approximately $0.1 million for both years ended April 30, 2022 and 2021.

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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 https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://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 https://asc.fasb.org/extlink&oid=126982197&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 https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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