XML 6 R1.htm IDEA: XBRL DOCUMENT v3.22.1
Document And Entity Information
Aug. 04, 2021
Document Information [Line Items]  
Entity, Registrant Name CKX LANDS, INC.
Document, Type 8-K/A
Document, Period End Date Aug. 04, 2021
Entity, Incorporation, State or Country Code LA
Entity, File Number 1-31905
Entity, Tax Identification Number 72-0144530
Entity, Address, Address Line One One Lakeside Plaza, 4th Floor
Entity, Address, Address Line Two 127 West Broad Street
Entity, Address, City or Town Lake Charles
Entity, Address, State or Province LA
Entity, Address, Postal Zip Code 70601
City Area Code 337
Local Phone Number 493-2399
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock with no par value
Trading Symbol CKX
Security Exchange Name NYSEAMER
Entity, Emerging Growth Company false
Amendment Description Form 8-K/A date of report 08-04-21
Amendment Flag true
Entity, Central Index Key 0000352955