XML 46 R32.htm IDEA: XBRL DOCUMENT
v3.23.1

Note 8 - Indebtedness (Tables) | 12 Months Ended
--- | ---
Mar. 31, 2023
Notes Tables |
Convertible Debt [Table Text Block] |
|  | March 31, 2023 |  |  | March 31, 2022 |
Principal outstanding |  | $ | 172,500 |  |  | $ | 172,500 |
Unamortized debt issuance costs |  |  | (2,228 | ) |  |  | (3,135 | )
Net carrying value |  | $ | 170,272 |  |  | $ | 169,365 |
Interest Expense on Convertible Debt [Table Text Block] |
|  | Year Ended March 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Coupon interest expense at 1.375% |  | $ | 2,372 |  |  | $ | 2,372 |  |  | $ | 2,372 |
Amortization of debt discounts and issuance costs |  |  | 907 |  |  |  | 890 |  |  |  | 5,397 |
Total |  | $ | 3,279 |  |  | $ | 3,262 |  |  | $ | 7,769 |

X
- Definition Tabular disclosure of interest expense on borrowings which can be exchanged for a specified number of another security at the option of the issuer or the holder. + References No definition available. + Details
Name: | mlab_InterestExpenseOnConvertibleDebtTableTextBlock
Namespace Prefix: | mlab_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of convertible debt instrument. Includes, but is not limited to, principal amount and amortized premium or discount. + References No definition available. + Details
Name: | us-gaap_ConvertibleDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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