STOCK INCENTIVE PLANS (Details 1)	6 Months Ended
Mar. 31, 2025 $ / shares shares
Number of outstanding stock options \| shares	613,466
Weighted average remaining life (years)	3 years 3 months 21 days
Weighted average exercise price outstanding	$ 31.04
Number exercisable \| shares	267,472
Weighted average exercise price exerciseable	$ 31.18
Stock Option 4 [Member]
Number of outstanding stock options \| shares	158,492
Weighted average remaining life (years)	2 years 3 months 29 days
Weighted average exercise price outstanding	$ 59.93
Number exercisable \| shares	47,496
Weighted average exercise price exerciseable	$ 58.62
Stock Option 3 [Member]
Number of outstanding stock options \| shares	11,500
Weighted average remaining life (years)	3 years 7 months 24 days
Weighted average exercise price outstanding	$ 44.91
Number exercisable \| shares	8,313
Weighted average exercise price exerciseable	$ 44.40
Bottom \| Stock Option 4 [Member]
Range of exercise prices	52.40
Bottom \| Stock Option 5 [Member]
Range of exercise prices	81.60
Bottom \| Stock Option 3 [Member]
Range of exercise prices	35.20
Top \| Stock Option 4 [Member]
Range of exercise prices	61.20
Top \| Stock Option 5 [Member]
Range of exercise prices	146.80
Top \| Stock Option 3 [Member]
Range of exercise prices	50.00
Stock Options 2 [Member]
Range of exercise prices	$ 24.80
Number of outstanding stock options \| shares	1,250
Weighted average remaining life (years)	4 years 4 months 20 days
Weighted average exercise price outstanding	$ 24.80
Number exercisable \| shares	234
Weighted average exercise price exerciseable	$ 24.80
Stock Options 1 [Member]
Number of outstanding stock options \| shares	391,724
Weighted average remaining life (years)	3 years 10 months 9 days
Weighted average exercise price outstanding	$ 11.58
Number exercisable \| shares	178,616
Weighted average exercise price exerciseable	$ 13.04
Stock Options 5 [Member]
Number of outstanding stock options \| shares	50,500
Weighted average remaining life (years)	2 years 18 days
Weighted average exercise price outstanding	$ 88.33
Number exercisable \| shares	32,813
Weighted average exercise price exerciseable	$ 86.94
Stock Option 1 [Member] \| Bottom
Range of exercise prices	9.60
Stock Option 1 [Member] \| Top
Range of exercise prices	$ 20.40

No definition available.

Name:	knwn_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeNumberOfExercisableOptions
Namespace Prefix:	knwn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

Name:	knwn_ShareBasedCompensationSharesAuthorizedUnderStocksOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Namespace Prefix:	knwn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

Name:	knwn_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAveragesExercisePriceBeginningBalance1
Namespace Prefix:	knwn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

Name:	knwn_WeightedAverageExercisePriceOutstanding
Namespace Prefix:	knwn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

Name:	knwn_WeightedAverageExercisePriceOutstandingOne
Namespace Prefix:	knwn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

Name:	knwn_WeightedAverageRemainingLifeYear
Namespace Prefix:	knwn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	knwn_WeightedAverageRemainingLifeYears
Namespace Prefix:	knwn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

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

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

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

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

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

+ Details

Name:	us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_FinancialInstrumentAxis=knwn_StockOptionFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=knwn_StockOption3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=knwn_BottomMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=knwn_StockOption4Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=knwn_StockOptionFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=knwn_TopMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=knwn_StockOptionsTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=knwn_StockOptionsOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=knwn_StockOptionsFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=knwn_StockOption1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: