Board Of Directors, Term

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Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Non-Recourse

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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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Exercise price per share or per unit of warrants or rights outstanding.

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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

Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan. Excludes compensation cost in cost of good and service sold.

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- Definition

The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of warrants issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The cash outflow to reacquire common stock during the period.

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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Number of shares issued which are neither cancelled nor held in the treasury.

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No definition available.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Stockholders’ Equity (Deficit) - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2019	Oct. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		500,000,000	72,565,312
Common stock, par value (in USD per share)		$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)		25,000,000	0
Shares outstanding (in shares)					36,731,632
Preferred stock, shares issued (in shares)			4,832,134
Shares issued to former employees with notes determined to be nonrecourse (in shares)		52,778
Preferred stock issued (in shares)	0	0	0
Preferred stock outstanding (in shares)	0	0	0
Cash consideration of stocks repurchased		$ 0	$ 8,712	$ 0
Fair value of stocks repurchased			8,712
Board Of Directors, Term		3 years
Debt extinguishment costs		$ (1,670)	0	$ 0
Repurchase price over the estimated fair value of the common stock redeemed from team members
Class of Stock [Line Items]
Total compensation expense from repurchase			$ 8,300
Common stock
Class of Stock [Line Items]
Shares outstanding (in shares)		36,678,854	4,779,356	4,853,841			4,840,810
Fair value of stocks repurchased			$ 1
Mezzanine loan and security agreement \| Common stock warrants
Class of Stock [Line Items]
Shares of common stock (in shares)						255,336
Warrants and rights outstanding, term						10 years
Exercise price of warrants (in USD per share)						$ 10.66
Deferred financing costs						$ 1,600
Debt conversion, converted instrument, warrants or options issued (in shares)	255,336
Mezzanine loan and security agreement \| Unamortized portion of the debt discount
Class of Stock [Line Items]
Debt extinguishment costs		$ (1,000)
Mezzanine loan and security agreement \| Common stock
Class of Stock [Line Items]
Conversion of stock, shares issued (in shares)	189,959
Team member
Class of Stock [Line Items]
Tender Offer (in shares)			798,372
Cash consideration of stocks repurchased			$ 16,900
Fair value of stocks repurchased			8,600
Offering costs			$ 100