Debt instrument covenant minimum target net revenue.

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- Definition

Debt instrument exit fee percentage.

+ References

No definition available.

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- Definition

Debt instrument floor rate.

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No definition available.

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- Definition

Debt instrument minimum cash covenant.

+ References

No definition available.

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- Definition

Debt instrument payment number of equal monthly installments.

+ References

No definition available.

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- Definition

Early termination fees percentage.

+ References

No definition available.

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- Definition

Term loan advance percentage of amount drawdown.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ 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

Amount of the fee that accompanies borrowing money under the debt instrument.

+ References

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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

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- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

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.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

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-Publisher FASB
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-Topic 835
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

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Borrowings - MidCap Credit Facility - Additional Information (Detail) - USD ($)		1 Months Ended	9 Months Ended
	Aug. 06, 2019	Aug. 31, 2019	Sep. 30, 2019
Debt Instrument [Line Items]
Unamortized debt issuance costs			$ 800,000
Unamortized debt discount			$ 300,000
Warrants to purchase of common stock	1,171,614
Exercise price of warrants	$ 1.11
Tranche One Warrants
Debt Instrument [Line Items]
Warrants to purchase of common stock	1,171,614
Exercise price of warrants	$ 1.11
MidCap Credit Facility
Debt Instrument [Line Items]
Principal amount	$ 75,000,000	$ 75,000,000
Credit facility, origination fee	$ 400,000
Debt Instrument Exit Fee Percentage	6.00%
Interest on loans increased, percentage	2.00%
Term loan advance percentage of amount drawdown	3.25%
MidCap Credit Facility \| Between First Anniversary and Prior to Second Anniversary of Closing Date
Debt Instrument [Line Items]
Early termination fees, percentage	2.00%
MidCap Credit Facility \| Prior to First Anniversary of Closing Date
Debt Instrument [Line Items]
Early termination fees, percentage	3.00%
MidCap Credit Facility \| After Second Anniversary and Prior to Third Anniversary of Closing Date
Debt Instrument [Line Items]
Early termination fees, percentage	1.00%
MidCap Credit Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate (LIBOR)			6.75%
Interest rate floor			2.00%
Tranche 1 \| MidCap Credit Facility
Debt Instrument [Line Items]
Advance of borrowing	$ 40,000,000
Tranche 1 \| MidCap Credit Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate (LIBOR)	6.75%
Interest rate floor	2.00%
Tranche 2 \| MidCap Credit Facility
Debt Instrument [Line Items]
Advance of borrowing	$ 10,000,000	10,000,000
Debt instrument, minimum target net revenue	30,000,000	30,000,000
Minimum cash covenant	$ 15,000,000		$ 15,000,000
Tranche 2 \| MidCap Credit Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate (LIBOR)	6.75%
Interest rate floor	2.00%
Tranche 3 \| MidCap Credit Facility
Debt Instrument [Line Items]
Advance of borrowing	$ 25,000,000	$ 25,000,000
Debt instrument payment term description	principal on each term loan advance under Tranche 3 is payable beginning on the later of (i) September 1, 2021, and (ii) the first day of the first full calendar month immediately following such term loan advance, in an amount equal to the outstanding term loan advance in respect of Tranche 3 divided by the number of full calendar months remaining before August 1, 2024.
Minimum cash covenant	$ 20,000,000		$ 20,000,000
Tranche 3 \| MidCap Credit Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate (LIBOR)	6.75%
Interest rate floor	2.00%
Tranche 1 and Tranche 2 \| MidCap Credit Facility
Debt Instrument [Line Items]
Debt payable number of equal monthly installments	36
Debt instrument payment term description	principal on each term loan advance under Tranche 3 is payable beginning on the later of (i) September 1, 2021, and (ii) the first day of the first full calendar month immediately following such term loan advance, in an amount equal to the outstanding term loan advance in respect of Tranche 3 divided by the number of full calendar months remaining before August 1, 2024.