Debt instrument exit fee percentage.

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- Definition

Debt instrument floor rate.

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- Definition

Debt instrument minimum cash covenant.

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No definition available.

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- Definition

Debt instrument payment number of equal monthly installments.

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No definition available.

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- Definition

Early termination fees percentage.

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No definition available.

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- Definition

Term loan advance percentage of amount drawdown.

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No definition available.

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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- Definition

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

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-Name Accounting Standards Codification
-Topic 505
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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.

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No definition available.

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- Definition

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

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No definition available.

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- Definition

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

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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.

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No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

+ References

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- Definition

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

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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.

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

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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) $ / shares in Units, $ in Thousands		1 Months Ended			12 Months Ended
	Aug. 06, 2019 USD ($) Installment $ / shares shares	Nov. 30, 2020 USD ($) Installment $ / shares shares	Dec. 31, 2019 USD ($)	Aug. 31, 2019 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
(Loss) gain on extinguishment of debt					$ (264)	$ 3,529
Unamortized debt discount					665
Early termination fees, percentage	2.00%
MidCap Credit Facility
Debt Instrument [Line Items]
Principal amount				$ 75,000
Advance of borrowing			$ 25,000
Amount available under credit facility				25,000	$ 25,000
Minimum cash covenant	$ 30,000	$ 30,000
Debt instrument payment term description					In August 2020, the Company entered into the second amendment to the MidCap Credit Facility, pursuant to which the parties agreed that no breach of the minimum Afrezza net revenue covenant for any trailing twelve-month reporting period between July 31, 2020 and November 30, 2020 will be deemed to occur if the Company delivers satisfactory evidence that it had unrestricted cash of at least $40.0 million. Without this amendment, the Company would have been in violation of the minimum Afrezza net revenue covenant as of September 30, 2020.
Debt payable number of equal monthly installments \| Installment		24,000,000
Credit facility, origination fee	$ 400
Interest on loans increased, percentage	2.00%
Term loan advance percentage of amount drawdown	3.25%
Warrants to purchase of common stock \| shares	1,171,614	111,853
Exercise price of warrants \| $ / shares	$ 1.11	$ 2.91
MidCap Credit Facility \| Between First Anniversary and Prior to Second Anniversary of Closing Date
Debt Instrument [Line Items]
Early termination fees, percentage	4.00%
MidCap Credit Facility \| Prior to First Anniversary of Closing Date
Debt Instrument [Line Items]
Early termination fees, percentage	2.00%
MidCap Credit Facility \| After Second Anniversary and Prior to Third Anniversary of Closing Date
Debt Instrument [Line Items]
Early termination fees, percentage	3.00%
MidCap Credit Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate floor					6.75%
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%
Tranche 1 \| MidCap Credit Facility
Debt Instrument [Line Items]
Advance of borrowing				40,000
Minimum cash covenant				40,000
(Loss) gain on extinguishment of debt					$ 200
Unamortized debt discount					400
Warrants to purchase of common stock \| shares	1,171,614
Exercise price of warrants \| $ / shares	$ 1.11
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
Minimum cash covenant					30,000
Debt discount and a de minimis amount of debt issuance costs					300
Unamortized debt discount					$ 300
Warrants to purchase of common stock \| shares	111,853
Exercise price of warrants \| $ / shares	$ 2.91
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]
Amount available under credit facility		$ 25,000		$ 25,000
Minimum cash covenant		$ 25,000
Debt instrument payment term description					principal on the term loan advance under Tranche 3 is payable beginning on the later of (i) September 1, 2022, 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 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 instrument payment term description					principal on the term loan advance under Tranche 3 is payable beginning on the later of (i) September 1, 2022, 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.
Debt payable number of equal monthly installments \| Installment	24