Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.10.0.1
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2018
Aug. 12, 2018
Document and Entity Information [Abstract]    
Entity Registrant Name Ener-Core, Inc.  
Entity Central Index Key 0001495536  
Trading Symbol ENCR  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Type 10-Q  
Document Period End Date Jun. 30, 2018  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2018  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   4,156,393