Annual report pursuant to Section 13 and 15(d)

License Agreements (Details)

v3.6.0.2
License Agreements (Details) - USD ($)
1 Months Ended 12 Months Ended
Sep. 22, 2016
Feb. 28, 2015
Dec. 31, 2016
Dec. 31, 2013
License Agreement To Develop Transmembrane Ampa Receptor Regulatory Proteins        
Asset Acquisition And License Agreement [Line Items]        
Asset acquisition payments $ 2,000,000   $ 750,000  
Potential Milestone Commitment Due After First Subject Closed     1,250,000  
License Agreement To Develop Transmembrane Ampa Receptor Regulatory Proteins | Research and development expense        
Asset Acquisition And License Agreement [Line Items]        
Asset acquisition payments     2,000,000  
Merck | CERC-301        
Asset Acquisition And License Agreement [Line Items]        
Other Commitment       $ 750,000
Total Cost of License Agreement       1,500,000
Merck | CERC-301 | Research and development expense        
Asset Acquisition And License Agreement [Line Items]        
Asset acquisition payments       750,000
Merck | COMT Inhibitor        
Asset Acquisition And License Agreement [Line Items]        
Asset acquisition payments       $ 200,000
Lilly | CERC-501        
Asset Acquisition And License Agreement [Line Items]        
Other Commitment     $ 250,000  
Lilly | CERC-501 | Research and development expense        
Asset Acquisition And License Agreement [Line Items]        
Asset acquisition payments   $ 750,000