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Goodwill and Intangible Assets | 3 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | GOODWILL AND INTANGIBLE ASSETS Goodwill The Company had a goodwill balance of $10.0 million at December 31, 2017, representing the excess of costs over fair value of assets of businesses acquired. Goodwill acquired in a business combination and determined to have an indefinite useful life is not amortized, but instead is tested for impairment at least annually in accordance with ASC 350. The following table summarizes changes in the balance of goodwill during the three months ended December 31, 2017 (amounts shown in thousands):
Balance at September 30, 2017 | $ | 3,014 |
Acquisition of ICAR | 6,852 |
Foreign currency effect on goodwill | 146 |
Balance at December 31, 2017 | $ | 10,012 |
Intangible assets Intangible assets include the value assigned to purchased completed technology, customer relationships, and trade names. The estimated useful lives for all of these intangible assets range from two to six years. Intangible assets as of December 31, 2017 and September 30, 2017, respectively, are summarized as follows (amounts shown in thousands, except for years):
| Weighted Average Amortization Period |  | Cost |  | Accumulated Amortization |  | Net
December 31, 2017: |  |  |  |  |  |  |
Completed technologies | 5.3 years |  | $ | 7,326 |  |  | $ | 1,051 |  |  | $ | 6,275 |
Customer relationships | 3.8 years |  | 2,268 |  |  | 468 |  |  | 1,800 |
Trade names | 4.2 years |  | 383 |  |  | 115 |  |  | 268 |
Total intangible assets |  |  | $ | 9,977 |  |  | $ | 1,634 |  |  | $ | 8,343 |
| Weighted Average Amortization Period |  | Cost |  | Accumulated Amortization |  | Net
September 30, 2017: |  |  |  |  |  |  |
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 |
Amortization expense related to acquired intangible assets was $484,000 and $144,000 for the three months ended December 31, 2017 and 2016, respectively, and is recorded within acquisition-related costs and expenses on the consolidated statements of operations and other comprehensive loss. The estimated future amortization expense related to intangible assets is expected to be as follows (amounts shown in thousands):
| Estimated Future Amortization Expense
2018 (remaining nine months) | $ | 1,796 |
2019 | 2,358 |
2020 | 1,713 |
2021 | 1,428 |
2022 | 1,006 |
Thereafter | 42 |
Total | $ | 8,343 |

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- Definition The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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