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Schedule of Right-of use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Jan. 31, 2023	Apr. 30, 2022
Leases [Abstract]
Operating right-of-use asset, net	$ 522	$ 752
Right-of-use liability- current	320	319
Right-of-use liability- long term	282	$ 538
Total lease liability	$ 602
Weighted average remaining lease term- operating leases	1 year 8 months 8 days
Weighted average discount rate- operating leases	8.50%

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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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