XML 35 R26.htm IDEA: XBRL DOCUMENT
v3.23.1

Note 3 - Cash and Cash Equivalents (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2023
Notes Tables |
Schedule of Cash and Cash Equivalents [Table Text Block] |
(In thousands) |  | March 31, 2023 |  |  | September 30, 2022 |
Cash and cash equivalents: |  |  |  |  |  |  |  |
Cash including money market accounts |  | $ | 4,985 |  |  | $ | 16,635 |
Money market funds |  |  | 18,212 |  |  |  | 15 |
U.S. Treasury securities |  |  | 113,884 |  |  |  | - |
Total cash and cash equivalents |  | $ | 137,081 |  |  | $ | 16,650 |

X
- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock
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