XML 35 R23.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Note 2 - Revenue Recognition (Tables) | 3 Months Ended
--- | ---
Dec. 31, 2024
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended |
|  | December 31, 2024 |  |  | December 31, 2023 |
Smart Water |  | $ | 7,288 |  |  | $ | 4,234 |
Energy Solutions |  |  | 19,826 |  |  |  | 33,706 |
Intelligent Industrial |  |  | 5,531 |  |  |  | 5,774 |
Total |  | $ | 32,645 |  |  | $ | 43,714 |
Revenue from External Customers by Geographic Areas [Table Text Block] |
|  | Three Months Ended |
|  | December 31, 2024 |  |  | December 31, 2023 |
Asia (including Russian Federation) |  | $ | 18,057 |  |  | $ | 32,216 |
Canada |  |  | 369 |  |  |  | 1,226 |
Europe |  |  | 1,398 |  |  |  | 1,378 |
Mexico |  |  | 1,281 |  |  |  | 166 |
United States |  |  | 11,423 |  |  |  | 8,418 |
Other |  |  | 117 |  |  |  | 310 |
Total |  | $ | 32,645 |  |  | $ | 43,714 |

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
Name: | us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock
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