v3.22.2.2

Fair Value Measurements - Changes in Level 3 liabilities measured at fair value (Details) - USD ($)	3 Months Ended
	Aug. 31, 2022	May 31, 2022	Feb. 28, 2022
Embedded Derivative Liabilities
Fair Value Measurements
Balance - Level 3, at beginning	$ 1,003,000	$ 976,000	$ 867,000
Issuance of convertible notes	127,000
Debt extinguishment	(131,000)	(107,000)	(127,000)
Change in fair value	211,000	134,000	236,000
Balance - Level 3, at ending	1,210,000	1,003,000	$ 976,000
Derivative Liabilities
Fair Value Measurements
Balance - Level 3, at beginning	774,000
Reclassification of options from equity to liability due to reassessment under ASC 815	5,000	903,000
Warrants and option modification	51,000
Change in fair value	(590,000)	(129,000)
Balance - Level 3, at ending	$ 240,000	$ 774,000

Amount of debt extinguishment classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

No definition available.

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- Definition

Amount of reclassification of warrants from equity to liability classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

No definition available.

+ Details

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- Definition

Amount of warrants and option modification classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

No definition available.

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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.

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- Definition

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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