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Concentrations (Details Narrative) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013
Transportation Top Ten Customers |  |
Customer revenue concentration | 56.70% |
Accounts receivable concentration | $ 5,120 | $ 3,565
Transportation Top Customer |  |
Customer revenue concentration | 21.10% |
Mining Top Customer |  |
Customer revenue concentration | 72.70% |
Accounts receivable concentration | $ 126 |

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