Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Details)

Commitments And Contingencies (Details) shares in Millions								1 Months Ended		3 Months Ended			9 Months Ended		12 Months Ended	39 Months Ended
Commitments And Contingencies (Details) shares in Millions	Sep. 30, 2019 USD ($)	Aug. 08, 2019 USD ($)	Sep. 25, 2018 shares	Sep. 24, 2018 USD ($) therapy milestone shares	Feb. 16, 2018 unit $ / unit	Nov. 17, 2017 USD ($)	Dec. 18, 2015 USD ($) unit	Nov. 30, 2017 USD ($) $ / unit	Aug. 31, 2017 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2019 USD ($)	Oct. 31, 2017
Operating Leased Assets [Line Items]
Noncontrolling interest ownership percentage by Noncontrolling Owners																		10.00%
Gain on change in fair value										$ 197,219		$ (84,844)	$ 1,009,168	$ (360,850)
License obligations	$ 0									0			0		$ 1,250,000
Potential future regulatory milestone									$ 20,000,000
Karbinal Agreement \| TRIS Pharma
Operating Leased Assets [Line Items]
Minimum quantity required \| unit					70,000
Make whole payment per unit (in dollars per share) \| $ / unit					30
Ulesfia Supply Agreement
Operating Leased Assets [Line Items]
Indemnity receivable	(5,200,000)									(5,200,000)			(5,200,000)				$ 5,200,000
Zylera \| Ulesfia Supply Agreement
Operating Leased Assets [Line Items]
Price (in dollars per unit) \| $ / unit								58.84
Management and handling fee (in dollars per unit) \| $ / unit								4.03
Management and handling fee annual price increase								10.00%
Zylera \| Ulesfia Supply Agreement \| Lachlan Pharmaceuticals
Operating Leased Assets [Line Items]
Minimum quantity required \| unit							20,000
Long-term purchase commitment							$ 1,200,000
Minimum royalty								$ 3,000,000
Lachlan Pharmaceuticals \| Ulesfia Supply Agreement
Operating Leased Assets [Line Items]
License obligation											$ (8,700,000)						8,700,000
Royalties payable																	$ 400,000
Decrease in royalties payable											(400,000)
Indemnification of pre-acquisition losses (as a percent)								100.00%
Threshold indemnification of legal costs and possible minimum payments								$ 1,000,000
Indemnification of post-acquisition losses, (as a percent)								50.00%
Payments for settlements											2,300,000
CERC-611
Operating Leased Assets [Line Items]
Potential milestone payment		$ 7,500,000
Potential milestone revenue threshold		750,000,000
Potential milestone payment two		12,500,000
Potential milestone revenue threshold two		1,300,000,000
License obligations	0									0	1,300,000		0
TRx
Operating Leased Assets [Line Items]
Potential milestone payment						$ 3,000,000
Milestone One \| TRx
Operating Leased Assets [Line Items]
Business combination gross profit															$ 12,600,000
Level 3
Operating Leased Assets [Line Items]
Gain on change in fair value													1,277,150	$ (383,178)
Level 3 \| Ulesfia Supply Agreement
Operating Leased Assets [Line Items]
Gain on change in fair value													1,300,000
Cost of Sales \| Lachlan Pharmaceuticals \| Ulesfia Supply Agreement
Operating Leased Assets [Line Items]
Gain related to settlement											$ 1,600,000
Armistice \| CERC-611
Operating Leased Assets [Line Items]
Installment payment		$ 100,000
Payment period		30 days
Total revenue										$ 100,000			$ 100,000
Ichorion
Operating Leased Assets [Line Items]
Number of preclinical therapies \| therapy				3
Issuance of shares in acquisition of Ichorion assets (in shares) \| shares			5.8	5.8
Contingent consideration				$ 15,000,000
Number of contingent consideration milestones \| milestone				3
Milestone payment	$ 0
Ichorion \| CERC-801, CERC-802, And CERC-803
Operating Leased Assets [Line Items]
Number of preclinical therapies \| therapy				3
Ichorion \| CERC-913
Operating Leased Assets [Line Items]
Number of preclinical therapies \| therapy				1
Forecast \| Ichorion \| Milestone One
Operating Leased Assets [Line Items]
Milestone payment																$ 6,000,000
Forecast \| Ichorion \| Milestone Two
Operating Leased Assets [Line Items]
Milestone payment																5,000,000
Forecast \| Ichorion \| Milestone Three
Operating Leased Assets [Line Items]
Milestone payment																$ 4,000,000