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Concentrations (Details Narrative) (USD $) In Thousands, unless otherwise specified | 9 Months Ended |
--- | --- | ---
Jun. 30, 2014 | Sep. 30, 2013
Transportation Top Ten Customers |  |
Customer revenue concentration | 55.10% |
Accounts receivable concentration | $ 4,030 | $ 3,565
Transportation Top Customer |  |
Customer revenue concentration | 20.70% |
Mining Top Customer |  |
Customer revenue concentration | 67.40% |
Accounts receivable concentration | $ 152 |

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