XML 64 R40.htm IDEA: XBRL DOCUMENT v3.25.0.1

STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2024

Equity [Abstract]

Schedule Of Shares Of Common Stock Reserved For Future Issuance

The Company has the following common stock reserved for future issuance as of December 31, 2024:

						December 31, 2024
Outstanding options						16,321,014
Outstanding RSUs						12,331,745
Shares reserved under 2021 Plan						4,423,347
Total						33,076,106

Share-Based Payment Arrangement, Activity

A summary of the Company's stock option activity with respect to options granted under the Plans is as follows:

						Number of Options						Weighted Average exercise price						Weighted remaining contractual term (years)						Aggregate Intrinsic Value
Outstanding as of January 1, 2024						22,933,058						$	4.99					6.29						$	5,378
Granted						—						—
Exercised						(1,796,434)						$	0.99											$	1,449
Forfeited						(4,815,610)						$	12.26
Outstanding as of December 31, 2024						16,321,014						$	3.29					4.34						$	5,212
Exercisable options at end of the year						16,302,264						$	3.29					4.33						$	5,212

Share-Based Payment Arrangement, Restricted Stock Unit, Activity

The following table summarizes the RSU activity for the year ended December 31, 2024:

						RSUs Outstanding						Weighted Average Grant Date Fair Value per Share
Outstanding as of December 31, 2023						11,199,265						$2.24
RSUs granted						13,616,089						$1.45
RSUs vested						(9,910,366)						$2.09
RSUs forfeited						(2,573,243)						$1.91
Unvested and Outstanding as of December 31, 2024						12,331,745						$1.56

Share-Based Payment Arrangement, Cost by Plan

The stock-based compensation expense by line item in the accompanying consolidated statement of operations is summarized as follows:

						Year Ended December 31,
						2024						2023						2022
Cost of revenue						$	1,002					$	1,128					$	1,376
Research and development						4,775						4,734						4,268
Sales and marketing						2,701						3,187						3,711
General and administrative						17,786						20,931						14,290
Total expenses						$	26,264					$	29,980					$	23,645

X

- Definition

Schedule Of Shares Of Common Stock Reserved For Future Issuance

+ References

No definition available.

+ Details

Name:	kltr_ScheduleOfSharesOfCommonStockReservedForFutureIssuanceTableTextBlock
Namespace Prefix:	kltr_
Data Type:	dtr-types1:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

+ References

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

+ Details

Name:	us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

+ 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)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ 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)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration