Deferred Royalty Obligations

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- Definition

Royalty Agreement, Amount Funded

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- Definition

Royalty Agreement, Increase In Maximum Potential Payout, Percent

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- Definition

Royalty Agreement, Maximum Potential Payout, Percent

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- Definition

Royalty Agreement, Required Payment For Breach Of Agreement, Payment One

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- Definition

Royalty Agreement, Required Payment For Breach Of Agreement, Payment Two

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- Definition

Royalty Obligation Payable

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No definition available.

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- 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.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Sum of the carrying values as of the balance sheet date of (a) interest payable on all forms of debt, including trade payables, that has been incurred, and (b) dividends declared but unpaid on equity securities issued by the entity and outstanding (also includes dividends collected on behalf of another owner of securities that are being held by the entity).

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- Definition

Aggregate amount of interest expense on all borrowings.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Deferred Royalty Obligation (Details) - USD ($)		3 Months Ended
Deferred Royalty Obligation (Details) - USD ($)	May 10, 2018	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Deferred royalty obligation, net		$ 124,336,000	$ 124,323,000
Royalty Obligation Payable		400,000
HealthCare Royalty Partners
Debt Instrument [Line Items]
Proceeds from royalty agreement	$ 125,000,000
Maximum potential royalty payout	180.00%
Required payment for breach of agreement, payment one	$ 125,000,000.0
Required payment for breach of agreement, payment two	225,000,000.0
HealthCare Royalty Partners \| Loans Payable \| Royalty Financing Agreement
Debt Instrument [Line Items]
Deferred royalty obligation, net	125,000,000	124,300,000
Debt issuance costs	$ 700,000
Interest expense		2,700,000
Unamortized debt discount		700,000
Accrued interest expense		9,100,000	6,800,000
Royalty payments		400,000
HealthCare Royalty Partners \| Period One
Debt Instrument [Line Items]
Maximum potential royalty payout	10.00%
HealthCare Royalty Partners \| Period Two
Debt Instrument [Line Items]
Increase in maximum potential payout percent	4.00%
HealthCare Royalty Partners \| Payout Period
Debt Instrument [Line Items]
Increase in maximum potential payout percent	4.00%
Other Noncurrent Liabilities \| HealthCare Royalty Partners \| Loans Payable \| Royalty Financing Agreement
Debt Instrument [Line Items]
Accrued interest expense		$ 6,400,000	$ 4,500,000