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Statements of Shareholders' Equity (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2017
Issuance expenses, net	$ 669	$ 981

X

- Definition

Issuance expenses of offering.

+ References

No definition available.

+ Details

Name:	krnt_IssuanceExpensesNet
Namespace Prefix:	krnt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration