Adjusted liquidity ratio.

No definition available.

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- Definition

Adjusted net revenue.

+ References

No definition available.

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- Definition

Debt instrument, earnings before interest and taxes, depreciation and amortization to be achieved trailing term.

+ References

No definition available.

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- Definition

Payments For Repurchase Of Redeemable Convertible Preferred Stock, Net

+ References

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 835
-SubTopic 30
-Section 45
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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

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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-Publisher FASB
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Debt - Narrative (Details) - USD ($)	1 Months Ended				8 Months Ended	12 Months Ended
Debt - Narrative (Details) - USD ($)	Oct. 31, 2018	Sep. 30, 2018	Nov. 30, 2017	Sep. 30, 2017	Aug. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 49,000,000.0				$ 30,000,000.0
Debt issuance costs			200,000
Proceeds from borrowings		$ 15,000,000
Adjusted liquidity ratio						1.30%
Repurchase of redeemable convertible preferred stock							19,000,000
Net proceeds		$ 50,000,000
Upon achieving adjusted net revenue of at least $49.0 million in a trailing three-month period
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							40,000,000.0
Revolving Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							15,000,000.0
Proceeds from borrowings			10,000,000
Revolving Line of Credit \| Upon achieving adjusted net revenue of at least $49.0 million in a trailing three-month period
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							25,000,000.0
First Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount							$ 15,000,000.0
First Term Loan \| Prime Rate
Debt Instrument [Line Items]
Debt, variable rate						0.25%
Second Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount			9,000,000.0
EBITDA, trailing period		6 months
Second Term Loan \| Prime Rate
Debt Instrument [Line Items]
Debt, variable rate	0.25%	5.25%			5.25%
Term Loan
Debt Instrument [Line Items]
Proceeds from borrowings			$ 9,000,000
Loan Agreement
Debt Instrument [Line Items]
Repayment of debt owed	$ 10,000,000
Minimum
Debt Instrument [Line Items]
EBITDA, trailing period						3 months
Minimum \| Upon achieving adjusted net revenue of at least $49.0 million in a trailing three-month period
Debt Instrument [Line Items]
Adjusted net revenue				$ 49,000,000.0
Maximum
Debt Instrument [Line Items]
EBITDA, trailing period						12 months