XML 24 R14.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Accrued Expenses | 9 Months Ended
--- | ---
Jan. 31, 2022
Payables and Accruals [Abstract] |
Accrued Expenses | (7) Accrued Expenses Accrued expenses consisted of the following at January 31, 2022 and April 30, 2021: Schedule of Accrued Expenses
|  | January 31, 2022 |  |  | April 30, 2021 |
|  | (in thousands) |  |  | (in thousands) |
Project costs |  | $ | 102 |  |  | $ | 368 |
Contract loss reserve |  |  | 328 |  |  |  | 328 |
Employee incentive payments |  |  | 191 |  |  |  | 283 |
Accrued salary and benefits |  |  | 409 |  |  |  | 631 |
Professional fees |  |  | 96 |  |  |  | 200 |
Other |  |  | 166 |  |  |  | 71 |
Accrued expenses total |  | $ | 1,292 |  |  | $ | 1,881 |

X
- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration