Letters of credit issued, amount.

No definition available.

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- Definition

Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

+ References

No definition available.

+ Details

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section 45
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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Summary of Significant Accounting Policies (Details Narrative) - USD ($)	9 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Apr. 30, 2021	Aug. 31, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 63,454,000		$ 83,028,000
Revenue remaining performance obligation	$ 800,000
Revenue remaining performance obligation, percentage	100.00%
Antidilutive securities excluded from computation of earnings per share, amount	6,356,123	5,221,258
Santander Bank [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Letters of credit issued amount	$ 64,000
Santander Bank [Member] \| Letter 2 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Letters of credit issued amount	259,000
Santander Bank [Member] \| Letter 2 [Member] \| August 2020 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Letters of Credit Outstanding, Amount				$ 323,000
Foreign Financial Institutions [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash and Cash Equivalents, at Carrying Value	30,000
Restricted Cash and Security Agreements [Member] \| Santander Bank [Member] \| Letter of Credit [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deposits	157,000
Restricted Cash and Security Agreements [Member] \| Santander Bank [Member] \| Letter 1 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Letters of Credit Outstanding, Amount	126,000
Restricted Cash and Security Agreements [Member] \| Santander Bank [Member] \| Letter 2 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Letters of Credit Outstanding, Amount	$ 645,000