XML 42 R29.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Investments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Schedule of Investments [Abstract] |
Schedule of Contractual Maturities of Held to Maturity Investments | The contractual maturities of the Company’s held-to-maturity investments are summarized below (in thousands):
|  | December 31, 2023 |  |  | December 31, 2022 |
|  | Amortized Cost Basis |  |  | Aggregate Fair Value |  |  | Amortized Cost Basis |  |  | Aggregate Fair Value |
Due in one year or less(1) |  | $ | 115,263 |  |  | $ | 115,374 |  |  | $ | 152,862 |  |  | $ | 156,976 |
Due after one year through five years |  |  | 7,155 |  |  |  | 7,197 |  |  |  | 1,961 |  |  |  | 1,948 |
Total |  | $ | 122,418 |  |  | $ | 122,571 |  |  | $ | 154,823 |  |  | $ | 158,924 |
___________________________ The investments due in one year or less include cash equivalents of $58.6 million as of December 31, 2023 and $51.8 million as of December 31, 2022.
Schedule of Fair Value of Cash Equivalents, Long and Short Term Investments | The fair value of the cash equivalents, long-term and short-term investments are disclosed below (in millions):
|  | December 31, 2023 |
|  | Investment Level |  | Amortized Cost (Carrying Value) |  |  | Gross Unrealized Holding Gains |  |  | Estimated Fair Value |
Commercial bonds and paper |  | Level 2 |  | $ | 43.3 |  |  | $ | 0.1 |  |  | $ | 43.4 |
Money market funds |  | Level 1 |  |  | 69.6 |  |  |  | — |  |  |  | 69.6 |
U.S. Treasuries |  | Level 2 |  |  | 9.5 |  |  |  | 0.1 |  |  |  | 9.6 |
Total cash equivalents and investments |  |  |  |  | 122.4 |  |  |  | 0.2 |  |  |  | 122.6 |
Less: cash equivalents |  |  |  |  | (58.6 | ) |  |  | — |  |  |  | (58.6 | )
Total Investments |  |  |  | $ | 63.8 |  |  | $ | 0.2 |  |  | $ | 64.0 |
|  | December 31, 2022 |
|  | Investment Level |  | Amortized Cost (Carrying Value) |  |  | Gross Unrealized Holding Losses |  |  | Estimated Fair Value |
Commercial bonds and paper |  | Level 2 |  | $ | 66.8 |  |  | $ | (0.6 | ) |  | $ | 66.2 |
Money market funds |  | Level 1 |  |  | 51.8 |  |  |  | — |  |  |  | 51.8 |
U.S. Treasuries |  | Level 2 |  |  | 36.3 |  |  |  | (0.6 | ) |  |  | 35.7 |
Total cash equivalents and investments |  |  |  |  | 154.9 |  |  |  | (1.2 | ) |  |  | 153.7 |
Less: cash equivalents |  |  |  |  | (51.8 | ) |  |  | — |  |  |  | (51.8 | )
Total Investments |  |  |  | $ | 103.1 |  |  | $ | (1.2 | ) |  | $ | 101.9 |

X
- Definition Schedule of fair value of cash equivalents long and short term investments. + References No definition available. + Details
Name: | mnkd_ScheduleOfFairValueOfCashEquivalentsLongAndShortTermInvestmentsTableTextBlock
Namespace Prefix: | mnkd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5B Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5A Reference 13: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5A Reference 14: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5A Reference 15: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5B Reference 16: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5B Reference 17: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5B Reference 18: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5B + Details
Name: | us-gaap_HeldToMaturitySecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ScheduleOfInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration