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GOODWILL AND INTANGIBLE ASSETS | 12 Months Ended
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Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
GOODWILL AND INTANGIBLE ASSETS | GOODWILL AND INTANGIBLE ASSETS Goodwill The Company has goodwill balances of $34.4 million and $3.0 million at September 30, 2018 and 2017, respectively, representing the excess of costs over fair value of net 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 Topic 350. The following table summarizes changes in the balance of goodwill during the year ended September 30, 2018 (amounts shown in thousands):
Balance at September 30, 2017 | $ | 3,014
Acquisition of ICAR | 6,936
Acquisition of A2iA | 24,867
Foreign currency effect on goodwill | (410)
Balance at September 30, 2018 | $ | 34,407
Intangible assets Intangible assets include the value assigned to completed technologies, customer relationships, and trade names. The estimated useful lives for all of these intangible assets, range from two to seven years. Intangible assets as of September 30, 2018 and 2017 are summarized as follows (amounts shown in thousands, except for years):
September 30, 2018: |  | Weighted Average Amortization Period |  | Cost |  | Accumulated Amortization |  | Net
Completed technologies |  | 6.4 years |  | $ | 20,341 |  | $ | 3,070 |  | $ | 17,271
Customer relationships |  | 4.8 years |  | 17,628 |  | 2,351 |  | 15,277
Trade names |  | 4.5 years |  | 618 |  | 219 |  | 399
Total intangible assets |  |  |  | $ | 38,587 |  | $ | 5,640 |  | $ | 32,947
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
Amortization expense related to acquired intangible assets was $4.0 million, $0.6 million, and $0.6 million for fiscal years ended September 30, 2018, 2017, and 2016, respectively and is recorded in acquisition-related costs and expenses in the consolidated statements of operations. 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
2019 | $ | 7,219
2020 | 6,594
2021 | 6,318
2022 | 5,909
2023 | 3,879
Thereafter | 3,028
Total | $ | 32,947

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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