Cash Proceeds Received

No definition available.

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

- Definition

Issuance of Warrants to Existing Stockholders, Shares

+ References

No definition available.

+ Details

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Namespace Prefix:	ka_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of vesting of award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

+ References

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
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-Topic 210
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-09(4)(b))
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-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
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Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
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-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

+ Details

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Balance Type:	na
Period Type:	duration

Related Party Transactions - Additional Information (Details) - USD ($)				3 Months Ended
	May 01, 2024	Apr. 22, 2024	Apr. 11, 2024	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2023	Apr. 23, 2024
Executive management
Related Party Transaction [Line Items]
Issuance of warrants					3,000
Number of shares issued					81,000
Directors
Related Party Transaction [Line Items]
Issuance of warrants					60,000
Number of shares issued					8,000
Exercisable Award
Related Party Transaction [Line Items]
Percentage of share will vest upon award			25.00%
Vesting Upon Award
Related Party Transaction [Line Items]
Percentage of share will vest upon award			25.00%
Policy Award
Related Party Transaction [Line Items]
Percentage of share will vest upon award			50.00%
RLB Holdings Connecticut, LLC
Related Party Transaction [Line Items]
Cash Proceeds Received							$ 500,000
Shares issued, shares		2,500,000
Common Stock [Member]
Related Party Transaction [Line Items]
Conversion Price				$ 0.14
Issuance of warrants					63,000
Shares issued, shares				904,000	948,000	127,000
Executive management purchased Shares					5,000
Common Stock [Member] \| Restricted Stock
Related Party Transaction [Line Items]
Number of shares issued					89,000
Common Stock [Member] \| Board of Directors \| Shawn Iadonato [Member]
Related Party Transaction [Line Items]
Shares granted, shares			225,000
Common Stock [Member] \| Chief Financial Officer [Member] \| Keith A. Baker [Member]
Related Party Transaction [Line Items]
Shares granted, shares			225,000,000
Common Stock [Member] \| President [Member] \| Craig W. Philips [Member]
Related Party Transaction [Line Items]
Shares granted, shares			225,000
Common Stock [Member] \| Chief Scientific Officer [Member] \| Thierry Guillaudeux [Member]
Related Party Transaction [Line Items]
Shares granted, shares			225,000
Common Stock [Member] \| RLB Holdings Connecticut, LLC
Related Party Transaction [Line Items]
Shares issued, shares	903,995