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Note 5 - Timber Activities (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Reforestation Costs	$ 62,473	$ 17,831

X

- Definition

Represents information about reforestation costs incurred during the period.

+ References

No definition available.

+ Details

Name:	ckx_ReforestationCosts
Namespace Prefix:	ckx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration