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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The following table summarizes changes in the balance of goodwill during the six months ended March 31, 2018 (amounts shown in thousands):
Balance at September 30, 2017 | $ | 3,014 |
Acquisition of ICAR | 6,852 |
Foreign currency effect on goodwill | 432 |
Balance at March 31, 2018 | $ | 10,298 |
Schedule of Intangible Assets | Intangible assets as of March 31, 2018 and September 30, 2017, respectively, are summarized as follows (amounts shown in thousands, except for years):
March 31, 2018: | Weighted Average Amortization Period |  | Cost |  | Accumulated Amortization |  | Net
Completed technologies | 5.3 years |  | $ | 7,326 |  |  | $ | 1,238 |  |  | $ | 6,088 |
Customer relationships | 3.8 years |  | 2,268 |  |  | 656 |  |  | 1,612 |
Trade names | 4.2 years |  | 383 |  |  | 136 |  |  | 247 |
Total intangible assets |  |  | $ | 9,977 |  |  | $ | 2,030 |  |  | $ | 7,947 |
September 30, 2017: | Weighted Average Amortization Period |  | Cost |  | Accumulated Amortization |  | Net
Completed technologies | 6.0 years |  | $ | 2,370 |  |  | $ | 833 |  |  | $ | 1,537 |
Customer relationships | 6.0 years |  | 970 |  |  | 341 |  |  | 629 |
Trade names | 5.0 years |  | 230 |  |  | 99 |  |  | 131 |
Total intangible assets |  |  | $ | 3,570 |  |  | $ | 1,273 |  |  | $ | 2,297 |
Schedule of Estimated Future Amortization Expense | The estimated future amortization expense related to intangible assets for each of the five succeeding fiscal years is expected to be as follows (amounts shown in thousands):
| Estimated Future Amortization Expense
2018 (remaining six months) | $ | 1,213 |
2019 | 2,426 |
2020 | 1,761 |
2021 | 1,469 |
2022 | 1,035 |
Thereafter | 43 |
Total | $ | 7,947 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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