XML 18 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document and Entity Information - shares
12 Months Ended
Dec. 31, 2019
Mar. 27, 2020
Document And Entity Information    
Entity Registrant Name New Concept Energy, Inc.  
Entity Central Index Key 0000105744  
Document Type 10-K  
Document Period End Date Dec. 31, 2019  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Is Entity a Well-known Seasoned Issuer? No  
Is Entity a Voluntary Filer? No  
Is Entity's Reporting Status Current? Yes  
Is Entity Emerging Growth Company? false  
Entity Filer Category Smaller Reporting Company  
Entity Small Business true  
Entity Common Stock, Shares Outstanding   5,131,934
Document Fiscal Period Focus FY  
Document Fiscal Year Focus 2019  
Entity Shell Company false