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Note 20 - Segment Information | 12 Months Ended
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Sep. 30, 2024
Notes to Financial Statements |
Segment Reporting Disclosure [Text Block] | 20. Segment and Geographic Information The Company reports and evaluates financial information for three operating business segments: Oil and Gas Markets, Adjacent Markets and Emerging Markets. The Oil and Gas Markets segment’s products include wireless seismic data acquisition systems, reservoir characterization products and services, and traditional seismic exploration products such as geophones, hydrophones, leader wire, connectors, cables, marine streamer retrieval and steering devices and various other seismic products. The Adjacent Markets segment’s products include imaging equipment, water meter products, remote shut-off valves and IoT platform, as well as seismic sensors used for vibration monitoring and geotechnical applications such as mine safety applications and earthquake detection. The Emerging Markets segment designs and markets seismic products targeted at the border and perimeter security markets. The following tables summarize the Company’s segment information:
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2024 |  |  | 2023 |
Revenue: |  |  |  |  |  |  |  |
Oil and Gas Markets |  | $ | 77,455 |  |  | $ | 73,993 |
Adjacent Markets |  |  | 55,625 |  |  |  | 49,039 |
Emerging Markets |  |  | 2,222 |  |  |  | 1,234 |
Corporate |  |  | 296 |  |  |  | 243 |
|  | 135,598 |  |  | 124,509 |
Income (loss) from operations: |  |  |  |  |  |  |  |
Oil and Gas Markets |  |  | 13,134 |  |  |  | 15,759 |
Adjacent Markets |  |  | 14,152 |  |  |  | 11,490 |
Emerging Markets |  |  | (6,193 | ) |  |  | (4,003 | )
Corporate |  |  | (13,976 | ) |  |  | (11,918 | )
|  | 7,117 |  |  | 11,328 |
Depreciation and amortization expenses: |  |  |  |  |  |  |  |
Oil and Gas Markets |  |  | 13,243 |  |  |  | 14,428 |
Adjacent Markets |  |  | 860 |  |  |  | 703 |
Emerging Markets |  |  | 275 |  |  |  | 565 |
Corporate |  |  | 388 |  |  |  | 542 |
|  | 14,766 |  |  | 16,238 |
Impairment, inventory obsolescence and stock-based compensation expenses: |  |  |  |  |  |  |  |
Oil and Gas Markets |  |  | 993 |  |  |  | 2,329 |
Adjacent Markets |  |  | 221 |  |  |  | 656 |
Emerging Markets |  |  | 2,798 |  |  |  | 52 |
Corporate |  |  | 642 |  |  |  | 566 |
|  | 4,654 |  |  | 3,603 |
Interest income: |  |  |  |  |  |  |  |
Oil and Gas Markets |  |  | 315 |  |  |  | 352 |
Adjacent Markets |  |  | — |  |  |  | — |
Emerging Markets |  |  | — |  |  |  | — |
Corporate |  |  | 1,243 |  |  |  | 187 |
|  | 1,558 |  |  | 539 |
Interest expense: |  |  |  |  |  |  |  |
Oil and Gas Markets |  |  | 17 |  |  |  | 105 |
Adjacent Markets |  |  | — |  |  |  | — |
Emerging Markets |  |  | — |  |  |  | — |
Corporate |  |  | 170 |  |  |  | 29 |
|  | 187 |  |  | 134 |
The Company’s manufacturing operations for its business segments are combined. Therefore, the Company does not segregate and report separate balance sheet accounts for each of its segments and, therefore, no such segment balance sheet information is presented in the table above. “Corporate” expense from operations primarily consists of the Company’s Houston headquarters general and administrative expenses. The Company generates revenue from product sales, product rentals and services from its subsidiaries located in the United States, Canada, Colombia, the Russian Federation and the United Kingdom. Revenue generated by the Company’s subsidiaries is as follows (in thousands):
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2024 |  |  | 2023 |
United States |  | $ | 127,488 |  |  | $ | 118,017 |
Canada |  |  | 1,777 |  |  |  | 1,924 |
Russian Federation |  |  | 3,487 |  |  |  | 1,850 |
United Kingdom |  |  | 2,846 |  |  |  | 2,718 |
|  | $ | 135,598 |  |  | $ | 124,509 |
A summary of revenue by geographic area is as follows (in thousands):
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2024 |  |  | 2023 |
Asia (including Russian Federation) |  | $ | 51,103 |  |  | $ | 26,685 |
Canada |  |  | 2,015 |  |  |  | 2,703 |
Europe |  |  | 13,817 |  |  |  | 20,826 |
Mexico |  |  | 1,959 |  |  |  | 1,792 |
South America |  |  | 2,798 |  |  |  | 8,166 |
United States |  |  | 63,061 |  |  |  | 62,611 |
Other |  |  | 845 |  |  |  | 1,726 |
|  | $ | 135,598 |  |  | $ | 124,509 |
Revenue is attributed to countries based on the ultimate destination of the product sold, if known. If the ultimate destination is not known, revenue is attributed to countries based on the geographic location of the initial shipment. Long-lived asset balances are as follows (in thousands):
|  | AS OF SEPTEMBER 30, |
|  | 2024 |  |  | 2023 |
United States |  | $ | 61,487 |  |  | $ | 75,321 |
Canada |  |  | 414 |  |  |  | 575 |
Colombia |  |  | 399 |  |  |  | 442 |
Russian Federation |  |  | — |  |  |  | 543 |
United Kingdom |  |  | 528 |  |  |  | 383 |
|  | $ | 62,828 |  |  | $ | 77,264 |

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