Annual report pursuant to Section 13 and 15(d)

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- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Asset Acquisition And License Agreements (Details)

v3.3.1.900

Asset Acquisition And License Agreements (Details) - USD ($)	1 Months Ended		12 Months Ended
	Feb. 28, 2015	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2013
Merck \| CERC-301
Asset Acquisition And License Agreement [Line Items]
Total Cost of License Agreement		$ 1,500,000
Other Commitment			$ 750,000
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
Merck \| COMT Inhibitor \| Royalty Commitment
Asset Acquisition And License Agreement [Line Items]
Term of royalty obligation			10 years
Merck \| COMT Inhibitor \| Maximum \| Development Milestone Commitment
Asset Acquisition And License Agreement [Line Items]
Potential Additional Milestone Commitment			$ 6,200,000
Lilly \| CERC-501
Asset Acquisition And License Agreement [Line Items]
Other Commitment			$ 250,000
Term of the study			9 months
Lilly \| CERC-501 \| Development Milestone Commitment
Asset Acquisition And License Agreement [Line Items]
Potential Additional Milestone Commitment			$ 19,000,000
Lilly \| CERC-501 \| Sales Milestone Commitment
Asset Acquisition And License Agreement [Line Items]
Potential Additional Milestone Commitment			$ 30,000,000
Lilly \| CERC-501 \| Royalty Commitment
Asset Acquisition And License Agreement [Line Items]
Term of royalty obligation			11 years
Lilly \| CERC-501 \| Research and development expense
Asset Acquisition And License Agreement [Line Items]
Asset acquisition payments	$ 750,000

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The additional amount of milestone payments for which the entity may be liable under the conditions of the agreement.

+ References

No definition available.

+ Details

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- Definition

Period of time, after first commercial sale of the product, for which the royalty obligation is in effect.

+ References

No definition available.

+ Details

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- Definition

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+ References

No definition available.

+ Details

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- Definition

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+ References

No definition available.

+ Details

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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