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Expected license agreement milestone payments.

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Lease renewal start date.

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License Agreement Percentage of Right to Buy Down Royalties

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Royalty buy down due period.

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Area of a real estate property.

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Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

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Description of assumptions and judgments used by lessee for allocating contract between lease and nonlease components for operating lease.

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Indicates (true false) whether lessee has option to extend operating lease.

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Amount of lessee's undiscounted obligation for lease payments for operating lease.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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Commitments and Contingencies (Details Textual) $ in Thousands			9 Months Ended
	Oct. 10, 2019 USD ($)	Mar. 02, 2016	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Aug. 01, 2013 ft²
Commitments And Contingencies [Line Items]
Area of office facilities taken on lease \| ft²						5,300
Additional operating lease term		38 months
Lease renewal start date		Oct. 01, 2016
Lease expiration date		Nov. 30, 2019
Lease renewal option			Under the October 2019 Amendment, the Company has no further rights to extend or renew this lease agreement.
Future minimum lease payments			$ 15
Lessee, operating lease, assumptions and judgments, allocation of lease and nonlease component			The lease includes real estate taxes and insurance, which is not a lease component and is not included in the lease obligation. In addition, common area maintenance charges are based on actual costs incurred and are a non-lease component that is not included in the lease obligation.
Operating lease, cash paid for measurement of lease liabilities			$ 68
Weighted-average remaining lease term			2 months 12 days
Weighted-average discount rate			7.50%
Royalty buy down due period			6 months
Minimum
Commitments And Contingencies [Line Items]
Percentage of royalty obligation			12.50%
Percentage of range of royalties that can be bought down			12.50%
Maximum
Commitments And Contingencies [Line Items]
Percentage of royalty obligation			25.00%
Percentage of range of royalties that can be bought down			17.00%
Upon Food and Drug Administration Approval
Commitments And Contingencies [Line Items]
Expected milestone payments due upon approval			$ 8,000
Upon Regulatory Marketing Approval
Commitments And Contingencies [Line Items]
Expected milestone payments due upon approval			$ 5,000
CPEC
Commitments And Contingencies [Line Items]
Percentage of royalty obligation			5.00%
General and Administrative Expense
Commitments And Contingencies [Line Items]
Rent expense			$ 52
Rent expense				$ 62
Subsequent Event
Commitments And Contingencies [Line Items]
Additional operating lease term	4 months
Lease renewal start date	Dec. 01, 2019
Lease expiration date	Mar. 31, 2020
Future undiscounted minimum lease payments	$ 34
Lessee, Operating Lease, Existence of Option to Extend [true false]	false
Westminster, Colorado
Commitments And Contingencies [Line Items]
Future minimum lease payments					$ 83