Commitment asset.

No definition available.

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- Definition

Debt instrument covenant minimum target net revenue.

+ References

No definition available.

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- Definition

Debt instrument exit fee percentage.

+ References

No definition available.

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- Definition

Debt instrument floor rate.

+ References

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://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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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).

+ References

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- Definition

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

+ References

No definition available.

+ Details

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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

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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- Definition

Amount of assets classified as other.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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)		1 Months Ended		3 Months Ended	6 Months Ended
	Aug. 06, 2019 USD ($) Installment $ / shares shares	Dec. 31, 2019 USD ($)	Aug. 31, 2019 USD ($) $ / shares	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)
Tranche One Warrants
Debt Instrument [Line Items]
Warrants to purchase of common stock \| shares	1,171,614
Exercise price of warrants \| $ / shares	$ 1.11
MidCap Credit Facility
Debt Instrument [Line Items]
Principal amount	$ 75,000,000.0		$ 65,000,000.0
Advance of borrowing		$ 25,000,000.0
Amount available under credit facility			25,000,000.0
Commitment asset			1,500,000
Other asset			$ 400,000
Credit facility, origination fee	400,000
Minimum cash covenant	$ 15,000,000.0
Interest on loans increased, percentage	2.00%
Term loan advance percentage of amount drawdown	3.25%
Exercise price of warrants \| $ / shares			$ 1.11
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 floor					2.00%
MidCap Credit Facility \| Minimum
Debt Instrument [Line Items]
Debt Instrument Exit Fee Percentage		6.00%
MidCap Credit Facility \| Maximum
Debt Instrument [Line Items]
Debt Instrument Exit Fee Percentage		7.00%
MidCap Credit Facility \| Commitment Asset
Debt Instrument [Line Items]
Asset impairment				$ 400,000	$ 1,900,000
Tranche 1 \| MidCap Credit Facility
Debt Instrument [Line Items]
Advance of borrowing	$ 40,000,000.0
Debt payable number of equal monthly installments \| Installment	36
Debt instrument payment term description	principal on any 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.
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]
Amount available under credit facility			$ 10,000,000.0
Debt instrument, minimum target net revenue	$ 30,000,000.0		30,000,000.0
Minimum cash covenant				15,000,000.0	15,000,000.0
Tranche 3 \| MidCap Credit Facility
Debt Instrument [Line Items]
Amount available under credit facility			$ 25,000,000.0
Debt instrument payment term description	principal on any 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	$ 20,000,000.0			$ 20,000,000.0	$ 20,000,000.0
Tranche 3 \| MidCap Credit Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate (LIBOR)	6.75%
Interest rate floor	2.00%