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Segment and Geographic Information (Tables) | 12 Months Ended
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Sep. 30, 2018
Segment Reporting [Abstract] |
Summary of Company's Segment Information | The following tables summarize the Company’s segment information:
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |
Oil and Gas Markets |  | $ | 44,951 |  |  | $ | 47,109 |  |  | $ | 33,792 |
Adjacent Markets |  |  | 29,932 |  |  |  | 26,027 |  |  |  | 27,708 |
Emerging Markets |  |  | 286 |  |  |  | — |  |  |  | — |
Corporate |  |  | 579 |  |  |  | 585 |  |  |  | 560 |
Total |  |  | 75,748 |  |  |  | 73,721 |  |  |  | 62,060 |
Income (loss) from operations: |  |  |  |  |  |  |  |  |  |  |  |
Oil and Gas Markets |  |  | (14,070 | ) |  |  | (46,902 | ) |  |  | (47,690 | )
Adjacent Markets |  |  | 5,345 |  |  |  | 4,153 |  |  |  | 4,093 |
Emerging Markets |  |  | (718 | ) |  |  | — |  |  |  | — |
Corporate |  |  | (11,300 | ) |  |  | (11,574 | ) |  |  | (11,913 | )
Total |  |  | (20,743 | ) |  |  | (54,323 | ) |  |  | (55,510 | )
Depreciation, amortization, impairment, inventory obsolescence and stock-based compensation expenses: |  |  |  |  |  |  |  |  |  |  |  |
Oil and Gas Markets |  |  | 19,592 |  |  |  | 47,620 |  |  |  | 34,945 |
Adjacent Markets |  |  | 654 |  |  |  | 785 |  |  |  | 746 |
Emerging Markets |  |  | 207 |  |  |  | — |  |  |  | — |
Corporate |  |  | 1,203 |  |  |  | 1,895 |  |  |  | 1,847 |
Total |  |  | 21,656 |  |  |  | 50,300 |  |  |  | 37,538 |
Interest income: |  |  |  |  |  |  |  |  |  |  |  |
Oil and Gas Markets |  |  | 614 |  |  |  | 311 |  |  |  | 161 |
Adjacent Markets |  |  | — |  |  |  | — |  |  |  | 3 |
Emerging Markets |  |  | — |  |  |  | — |  |  |  | — |
Corporate |  |  | 469 |  |  |  | 342 |  |  |  | 212 |
Total |  |  | 1,083 |  |  |  | 653 |  |  |  | 376 |
Interest expense: |  |  |  |  |  |  |  |  |  |  |  |
Oil and Gas Markets |  |  | 2 |  |  |  | — |  |  |  | — |
Adjacent Markets |  |  | — |  |  |  | — |  |  |  | — |
Emerging Markets |  |  | 1 |  |  |  | — |  |  |  | — |
Corporate |  |  | 333 |  |  |  | 39 |  |  |  | 26 |
Total |  |  | 336 |  |  |  | 39 |  |  |  | 26 |
Details of Revenue | The Company generates revenue from product sales, rentals and services from its subsidiaries located in the United States, Canada, Colombia, the Russian Federation and the United Kingdom. Revenue information for the Company is as follows (in thousands):
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
United States |  | $ | 79,019 |  |  | $ | 60,696 |  |  | $ | 56,094 |
Canada |  |  | 8,311 |  |  |  | 12,157 |  |  |  | 3,028 |
Colombia |  |  | 300 |  |  |  | 558 |  |  |  | 556 |
Russian Federation |  |  | 3,539 |  |  |  | 2,566 |  |  |  | 4,254 |
United Kingdom |  |  | 3,095 |  |  |  | 2,892 |  |  |  | 2,120 |
Eliminations |  |  | (18,516 | ) |  |  | (5,148 | ) |  |  | (3,992 | )
|  | $ | 75,748 |  |  | $ | 73,721 |  |  | $ | 62,060 |
Summary of Revenue by Geographic Area | A summary of revenue by geographic area is as follows (in thousands):
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Asia (excluding Middle East) |  | $ | 2,143 |  |  | $ | 7,924 |  |  | $ | 18,745 |
Canada |  |  | 15,945 |  |  |  | 11,318 |  |  |  | 3,048 |
Europe |  |  | 4,743 |  |  |  | 3,883 |  |  |  | 4,219 |
Middle East |  |  | 76 |  |  |  | 609 |  |  |  | 1,749 |
United States |  |  | 50,522 |  |  |  | 47,966 |  |  |  | 32,317 |
Other |  |  | 2,319 |  |  |  | 2,021 |  |  |  | 1,982 |
|  | $ | 75,748 |  |  | $ | 73,721 |  |  | $ | 62,060 |
Long-lived Assets, Excluding Deferred Tax Assets | Long-lived assets, excluding deferred tax assets, were as follows (in thousands):
|  | AS OF SEPTEMBER 30, |
|  | 2018 |  |  | 2017 |
United States |  | $ | 106,079 |  |  | $ | 108,021 |
Canada |  |  | 13,515 |  |  |  | 7,325 |
Colombia |  |  | 1,002 |  |  |  | 1,747 |
Russian Federation |  |  | 1,143 |  |  |  | 1,461 |
United Kingdom |  |  | 428 |  |  |  | 502 |
China |  |  | 13 |  |  |  | 14 |
|  | $ | 122,180 |  |  | $ | 119,070 |

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