XML 38 R26.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Note 4 - Prepaid Expenses and Other Current Assets (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Notes Tables |
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] |
|  | March 31, |  |  | December 31, |
(in thousands) |  | 2024 |  |  | 2023 |
Metals to be used in research and development |  | $ | 1,826 |  |  | $ | 1,909 |
Research and development tax credits receivable |  |  | 1,442 |  |  |  | 1,195 |
Other |  |  | 832 |  |  |  | 568 |
Total prepaid expenses and other current assets |  | $ | 4,100 |  |  | $ | 3,672 |

X
- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References No definition available. + Details
Name: | us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock
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