XML 40 R32.htm IDEA: XBRL DOCUMENT
v3.25.3

Prepaid Expenses and Other Current Assets (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Prepaid Expense and Other Assets, Current [Abstract] |
Summary of Prepaid Expenses and Other Current Assets | Prepaid expenses and other current assets consist of the following:
|  | September 30, 2025 |  |  | December 31, 2024 |
Other prepaid assets |  | $ | 434 |  |  | $ | 138 |
Prepaid insurance |  |  | 404 |  |  |  | 389 |
Prepaid research and development expenses |  |  | 192 |  |  |  | 4 |
Research and development tax credit receivable |  |  | 98 |  |  |  | 18 |
Right of use assets, net |  |  | — |  |  |  | 65 |
Total |  | $ | 1,128 |  |  | $ | 614 |

X
- Definition Summary prepaid expenses and other current assets. + References No definition available. + Details
Name: | itrm_SummaryPrepaidExpensesAndOtherCurrentAssetsTableTextBlock
Namespace Prefix: | itrm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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