XML 38 R27.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Investments (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2022
Schedule Of Investments [Abstract] |
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 (amounts in millions).
|  | September 30, 2022 |
|  | Investment Level |  | Amortized Cost (Carrying Value) |  |  | Gross Unrealized Holding Losses |  |  | Estimated Fair Value |
Commercial bonds and paper |  | Level 2 |  | $ | 81.7 |  |  | $ | (0.9 | ) |  | $ | 80.8 |
Money market funds |  | Level 1 |  |  | 43.4 |  |  |  | — |  |  |  | 43.4 |
U.S. Treasuries |  | Level 2 |  |  | 42.8 |  |  |  | (0.8 | ) |  |  | 42.0 |
Total cash equivalents and investments |  |  |  |  | 167.9 |  |  |  | (1.7 | ) |  |  | 166.2 |
Less cash equivalents |  |  |  |  | (44.4 | ) |  |  | — |  |  |  | (44.4 | )
Total Investments |  |  |  | $ | 123.5 |  |  | $ | (1.7 | ) |  | $ | 121.8 |
|  | December 31, 2021 |
|  | Investment Level |  | Amortized Cost (Carrying Value) |  |  | Gross Unrealized Holding Losses |  |  | Estimated Fair Value |
Commercial bonds and paper |  | Level 2 |  | $ | 115.2 |  |  | $ | 0.2 |  |  | $ | 115.0 |
Money market funds |  | Level 1 |  |  | 21.3 |  |  |  | — |  |  |  | 21.3 |
U.S. Treasuries |  | Level 2 |  |  | 23.9 |  |  |  | 0.1 |  |  |  | 23.8 |
Total cash equivalents and investments |  |  |  |  | 160.4 |  |  |  | 0.3 |  |  |  | 160.1 |
Less cash equivalents |  |  |  |  | (23.8 | ) |  |  | — |  |  |  | (23.8 | )
Total Investments |  |  |  | $ | 136.6 |  |  | $ | 0.3 |  |  | $ | 136.3 |

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