Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Aug. 13, 2018
Document and Entity Information:
Entity Registrant Name	New Concept Energy, Inc.
Entity Trading Symbol	gbr
Document Type	10-Q
Document Period End Date	Jun. 30, 2018
Amendment Flag	false
Entity Central Index Key	0000105744
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		2,131,935
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Small Business Entity	true