XML 22 R10.htm IDEA: XBRL DOCUMENT
v3.24.3

Note 4 - Prepaid Expenses and Other Current Assets | 9 Months Ended
--- | ---
Sep. 30, 2024
Notes to Financial Statements |
Prepaid Expenses and Other Current Assets [Text Block] | Note 4. Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets as of September 30, 2024 and December 31, 2023 were as follows:
|  | September 30, |  |  | December 31, |
(in thousands) |  | 2024 |  |  | 2023 |
Prepaid clinical and CRO expenses |  | $ | 2,053 |  |  | $ | — |
Metals to be used in research and development |  |  | 1,744 |  |  |  | 1,909 |
Research and development tax credits receivable |  |  | 351 |  |  |  | 1,195 |
Other |  |  | 777 |  |  |  | 568 |
Total prepaid expenses and other current assets |  | $ | 4,925 |  |  | $ | 3,672 |

X
- Definition The entire disclosure for prepaid expenses and other current assets. + References No definition available. + Details
Name: | clnn_PrepaidExpensesAndOtherCurrentAssetsTextBlock
Namespace Prefix: | clnn_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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