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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.

+ References

No definition available.

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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- Definition

Number of warrants or rights outstanding.

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- Definition

Face amount or stated value per share of common stock.

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- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

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- Definition

Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.

+ References

No definition available.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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Stockholders' Equity (Details) - USD ($)		3 Months Ended		9 Months Ended
Stockholders' Equity (Details) - USD ($)	Mar. 29, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Oct. 11, 2016
Class of Warrant or Right [Line Items]
Common stock, par value (in usd per share)		$ 0.01		$ 0.01		$ 0.01
Changes in fair value of warrant liabilities		$ 0	$ (1,218,000)	$ 0	$ 47,808,000
IPO
Class of Warrant or Right [Line Items]
Number of securities called by warrants or rights (in shares)							10,000,000
Common stock, par value (in usd per share)							$ 3.00
Warrants outstanding (in shares)		0		0		0
ATM Agreement
Class of Warrant or Right [Line Items]
Common stock, par value (in usd per share)	$ 0.01
Sale of stock, consideration received on transaction	$ 150,000,000.0
Percentage of payments for stock issuance costs	3.00%
Sale of stock (in shares)				370,920
Proceeds from sale of stock				$ 5,800,000
Sales Agreement
Class of Warrant or Right [Line Items]
Value of non-cash consideration received (in shares)		84,896
Weighted Average \| ATM Agreement
Class of Warrant or Right [Line Items]
Shares issued (in usd per share)		$ 15.95		$ 15.95