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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Sep. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] |
|  | Residential |  | Infrastructure Solutions |  | Total
Balance at September 30, 2013 |  | $ | 8,631 |  | $ | 5,293 |  | $ | 13,924
Purchase Accounting Adjustments |  |  | - |  |  | 1,069 |  |  | 1,069
Balance at September 30, 2014 |  |  | 8,631 |  |  | 6,362 |  |  | 14,993
Acquisitions "Note 18" |  |  | - |  |  | 2,256 |  |  | 2,256
Balance at September 30, 2015 |  | $ | 8,631 |  | $ | 8,618 |  | $ | 17,249
Schedule Of Intangible Assets And Goodwill [Table Text Block] |
|  |  |  |  | September 30, 2015
|  |  | Estimated |  |  |  |  |  |  |  |
|  |  | Useful Lives |  |  | Gross Carrying |  |  | Accumulated |  |  |
|  |  | (in Years) |  |  | Amount |  |  | Amortization |  | Net
Trademarks/trade names |  | 8 - Indefinite |  | $ | 1,400 |  | $ | 9 |  | $ | 1,391
Technical library |  | 20.0 |  |  | 400 |  |  | 41 |  |  | 359
Customer relationships |  | 8 - 12 |  |  | 3,600 |  |  | 788 |  |  | 2,812
Covenants not to compete |  | 3.0 |  |  | 140 |  |  | 121 |  |  | 19
Developed technology |  | 4.0 |  |  | 400 |  |  | 258 |  |  | 142
Total |  |  |  | $ | 5,940 |  | $ | 1,217 |  | $ | 4,723
|  |  |  |  | September 30, 2014
|  |  | Estimated |  |  |  |  |  |  |  |
|  |  | Useful Lives |  |  | Gross Carrying |  |  | Accumulated |  |  |
|  |  | (in Years) |  |  | Amount |  |  | Amortization |  | Net
Trademarks/trade names |  | Indefinite |  | $ | 1,200 |  | $ | - |  | $ | 1,200
Technical library |  | 20.0 |  |  | 400 |  |  | 21 |  |  | 379
Customer relationships |  | 12.0 |  |  | 2,100 |  |  | 484 |  |  | 1,616
Covenants not to compete |  | 3.0 |  |  | 140 |  |  | 74 |  |  | 66
Developed technology |  | 4.0 |  |  | 400 |  |  | 158 |  |  | 242
Total |  |  |  | $ | 4,240 |  | $ | 737 |  | $ | 3,503
Schedule Of Finite Lived Intangible Assets Future Amortization Expense [Table Text Block] |
| Year Ended September 30, |  |  |
| 2016 |  | $ | 564
| 2017 |  |  | 469
| 2018 |  |  | 384
| 2019 |  |  | 375
| 2020 |  |  | 367
| Thereafter |  |  | 1,364
| Total |  | $ | 3,523

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