XML 79 R67.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Earnings (Loss) Per Common Share (Details Narrative) - shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2023
Earnings (loss) per common share: |  |
Options | 107,201 | 1,072,021

X
- References No definition available. + Details
Name: | king_Options
Namespace Prefix: | king_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration