XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.21.1

Borrowings - MidCap Credit Facility - Additional Information (Detail) - MidCap Credit Facility |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Apr. 22, 2021 USD ($) Installment | Dec. 31, 2020 USD ($) Installment $ / shares shares | Nov. 30, 2020 USD ($) Installment $ / shares | Aug. 31, 2020 USD ($) | Dec. 31, 2019 | Aug. 31, 2019 USD ($) Installment $ / shares shares | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) $ / shares shares
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Minimum cash covenant |  |  | $ 30,000,000.0 |  |  | $ 10,000,000.0 |  |
Debt payable number of equal monthly installments | Installment |  |  | 24 |  |  |  |  |
Debt instrument payment term description |  |  |  |  |  |  | Principal on each term loan advance under Tranche 1, Tranche 2 and, if applicable, Tranche 3 is payable in 24 equal monthly installments beginning September 1, 2023, until paid in full on August 1, 2025. |
Debt instrument minimum unrestricted cash |  |  |  |  |  | $ 90,000,000.0 |  |
Interest on loans increased, percentage |  |  |  |  |  | 2.00% |  |
Term loan advance percentage of amount drawdown |  |  |  |  |  | 3.25% |  |
Exercise price of warrants | $ / shares |  |  | $ 2.91 |  |  | $ 1.11 |  |
On or After April 23, 2022 Through and Including April 22, 2023 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Early termination fees, percentage |  |  |  |  |  |  | 2.00% |
On or Prior to April 22, 2022 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Early termination fees, percentage |  |  |  |  |  |  | 3.00% |
On or After April 23, 2023 Through Maturity Date |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Early termination fees, percentage |  |  |  |  |  |  | 1.00% |
LIBOR |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate floor |  |  |  |  |  |  | 2.00% |
Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Principal prepayment against outstanding term loans | $ 10,000,000.0 |  |  |  |  |  |  |
Original exit fee and prepayment penalties | 1,000,000.0 |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument Exit Fee Percentage |  |  |  |  | 6.00% |  |  |
Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument Exit Fee Percentage |  |  |  |  | 7.00% |  |  |
Tranche 1 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Advance of borrowing |  |  |  | $ 40,000,000.0 |  | $ 40,000,000.0 |  |
Minimum cash covenant |  |  |  | $ 40,000,000.0 |  |  |  |
Debt payable number of equal monthly installments | Installment |  |  |  |  |  | 24 |  |
Loss on extinguishment of debt |  |  |  |  |  |  |  | $ 200,000
Maturity date |  |  |  |  |  | Aug. 01, 2025 |  |
Annual interest rate |  |  |  |  |  | 8.25% |  |
Line of credit facility principal payment start date |  |  |  |  |  | Sep. 01, 2023 |  |
Warrants to purchase of common stock | shares |  |  |  |  |  | 1,171,614 |  |
Exercise price of warrants | $ / shares |  |  |  |  |  | $ 1.11 |  |
Tranche 1 | LIBOR |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (LIBOR) |  |  |  |  |  | 6.25% |  |
Interest rate floor |  |  |  |  |  | 1.00% |  |
Tranche 2 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Advance of borrowing |  |  |  |  |  |  |  | 10,000,000.0
Amount available under credit facility |  | $ 10,000,000.0 |  |  |  |  |  | $ 10,000,000.0
Debt payable number of equal monthly installments | Installment |  | 24 |  |  |  |  |  |
Debt discount and a de minimis amount of debt issuance costs |  |  |  |  |  |  | $ 300,000 |
Maturity date |  | Aug. 01, 2025 |  |  |  |  |  |
Annual interest rate |  | 8.25% |  |  |  |  |  | 8.25%
Line of credit facility principal payment start date |  | Sep. 01, 2023 |  |  |  |  |  |
Warrants to purchase of common stock | shares |  | 111,853 |  |  |  |  |  | 111,853
Exercise price of warrants | $ / shares |  | $ 2.91 |  |  |  |  |  | $ 2.91
Tranche 2 | LIBOR |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (LIBOR) |  | 6.25% |  |  |  |  |  |
Interest rate floor |  | 1.00% |  |  |  |  |  |
Tranche 3 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Amount available under credit facility |  |  |  |  |  | $ 60,000,000.0 | $ 25,000,000.0 |
Tranche 3 | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Amount available under credit facility | $ 60,000,000.0 |  |  |  |  |  |  |
Debt payable number of equal monthly installments | Installment | 24 |  |  |  |  |  |  |
Debt instrument advance available date | Jun. 30, 2022 |  |  |  |  |  |  |
Debt instrument extended interest-only date | Sep. 01, 2023 |  |  |  |  |  |  |
Maturity date | Aug. 01, 2025 |  |  |  |  |  |  |
Debt instrument payment term description | On April 22, 2021, the Company entered into the seventh amendment of the MidCap credit facility, pursuant to which the parties agreed to, among other things, (i) increase the amount available under the third advance from $25.0 million to $60.0 million and extend the date through which the third advance is available to June 30, 2022, (ii) amend the conditions to the third advance of $60.0 million being available to draw, including certain milestone conditions associated with Tyvaso DPI, (iii) remove the Company’s obligation to issue a warrant to purchase shares of the Company’s common stock upon drawing down the third advance, (iv) extend the interest-only period until September 1, 2023 and extend the maturity date until August 1, 2025, (v) amend the financial covenant relating to trailing 12 month minimum Afrezza net revenue, (vi) decrease the minimum cash covenant, (vii) decrease the interest rate on any amounts outstanding, now or in the future, under the MidCap credit facility, (viii) permit the Company to make certain acquisitions, subject to requirements, and (ix) permit the Company to make investments of up to an additional $9.0 million so long as the Company has $90.0 million or more of unrestricted cash following such investment. |  |  |  |  |  |  |
Maximum value of additional investment limit | $ 9,000,000.0 |  |  |  |  |  |  |
Debt instrument minimum unrestricted cash | $ 90,000,000.0 |  |  |  |  |  |  |
Annual interest rate | 8.25% |  |  |  |  |  |  |
Line of credit facility principal payment start date | Sep. 01, 2023 |  |  |  |  |  |  |
Tranche 3 | Subsequent Event | LIBOR |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (LIBOR) | 6.25% |  |  |  |  |  |  |
Interest rate floor | 1.00% |  |  |  |  |  |  |

X
- Definition Debt instrument advance available date. + References No definition available. + Details
Name: | mnkd_DebtInstrumentAdvanceAvailableDate
Namespace Prefix: | mnkd_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument exit fee percentage. + References No definition available. + Details
Name: | mnkd_DebtInstrumentExitFeePercentage
Namespace Prefix: | mnkd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument extended interest-only date. + References No definition available. + Details
Name: | mnkd_DebtInstrumentExtendedInterestOnlyDate
Namespace Prefix: | mnkd_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument floor rate. + References No definition available. + Details
Name: | mnkd_DebtInstrumentFloorRate
Namespace Prefix: | mnkd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument minimum cash covenant. + References No definition available. + Details
Name: | mnkd_DebtInstrumentMinimumCashCovenant
Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt instrument minimum unrestricted cash. + References No definition available. + Details
Name: | mnkd_DebtInstrumentMinimumUnrestrictedCash
Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt instrument payment number of equal monthly installments. + References No definition available. + Details
Name: | mnkd_DebtInstrumentPaymentNumberOfEqualMonthlyInstallments
Namespace Prefix: | mnkd_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Early termination fees percentage. + References No definition available. + Details
Name: | mnkd_EarlyTerminationFeesPercentage
Namespace Prefix: | mnkd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of credit facility principal payment start date. + References No definition available. + Details
Name: | mnkd_LineOfCreditFacilityPrincipalPaymentStartDate
Namespace Prefix: | mnkd_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum value of additional investment limit. + References No definition available. + Details
Name: | mnkd_MaximumValueOfAdditionalInvestmentLimit
Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Term loan advance percentage of amount drawdown. + References No definition available. + Details
Name: | mnkd_TermLoanAdvancePercentageOfAmountDrawdown
Namespace Prefix: | mnkd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
Name: | us-gaap_AmortizationOfDebtDiscountPremium
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- 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. + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the frequency of periodic payments (monthly, quarterly, annual). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentFrequencyOfPeriodicPayment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Incremental percentage increase (decrease) in the stated rate on a debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentInterestRateIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_DebtInstrumentMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDebtExtinguishmentCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromSecuredLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for the settlement of obligation drawn 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 maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_CreditFacilityAxis=mnkd_MidCapCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mnkd_TrancheOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mnkd_TrancheTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mnkd_TrancheThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |