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Note 6 - Intangible Assets | 12 Months Ended
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Sep. 30, 2017
Notes to Financial Statements |
Intangible Assets Disclosure [Text Block] | ( 6 ) Intangible Assets The primary components of our intangible assets and the related accumulated amortization are as follows:
(In thousands) |  | Weighted- Average Useful Life (Years) |  |  | Gross |  |  | Accumulated Amortization |  |  | Net Book Value |
Year ended September 30, 2017: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  |  | 20.0 |  |  | $ | 6,500 |  |  | $ | (1,018 | ) |  | $ | 5,482 |
Developed technology and know-how |  |  | 20.0 |  |  |  | 1,800 |  |  |  | (283 | ) |  |  | 1,517 |
Non-competition agreements |  |  | 4.8 |  |  |  | 3,577 |  |  |  | (2,663 | ) |  |  | 914 |
|  |  |  |  |  | $ | 11,877 |  |  | $ | (3,964 | ) |  | $ | 7,913 |
Year ended October 1, 2016: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  |  | 20.0 |  |  | $ | 6,500 |  |  | $ | (693 | ) |  | $ | 5,807 |
Developed technology and know-how |  |  | 20.0 |  |  |  | 1,800 |  |  |  | (192 | ) |  |  | 1,608 |
Non-competition agreements |  |  | 4.8 |  |  |  | 3,577 |  |  |  | (1,929 | ) |  |  | 1,648 |
|  |  |  |  |  | $ | 11,877 |  |  | $ | (2,814 | ) |  | $ | 9,063 |
Amortization expense for intangibles was $1.2 million in 2017 and 2016 and $1.1 million in 2015. Amortization expense for the next five years, assuming no change in the estimated useful lives of identified intangible assets, is $918,000 in 2018, $705,000 in 2019, $537,000 in 2020 and $414,000 in 2021 and 2022.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + 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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