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Other Current Assets (Tables) | 6 Months Ended
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Oct. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Other Current Assets | Other current assets consisted of the following at October 31, 2021 and April 30, 2021: Schedule of Other Current Assets
|  | October 31, 2021 |  |  | April 30, 2021 |
|  | (in thousands) |
Deposits |  | $ | 37 |  |  | $ | 68 |
Other receivables |  |  | 17 |  |  |  | 21 |
Prepaid insurance |  |  | 130 |  |  |  | 194 |
Prepaid recruiting |  |  | 135 |  |  |  | 12 |
Prepaid expenses- other |  |  | 241 |  |  |  | 192 |
Other current assets |  | $ | 560 |  |  | $ | 487 |

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- Definition Tabular disclosure of the carrying amounts of other current assets. + References No definition available. + Details
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