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Income Taxes (Details Narrative) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Dec. 28, 2016 | Sep. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Effective income tax rate reconciliation, percent |  | 27.00% |  | 45.00% | 32.00% | 38.00%
State and federal income tax rate |  |  |  |  | 26.50% |
Uncertain tax position |  |  |  |  | $ 2,073 |
Unrecognized tax benefits |  |  | $ 8,351 |  |  |
Tax Year 2017 [Member] | Maximum [Member] |  |  |  |  |  |
Effective income tax rate reconciliation, percent | 42.00% |  |  |  |  |
Tax Year 2017 [Member] | Minimum [Member] |  |  |  |  |  |
Effective income tax rate reconciliation, percent | 40.00% |  |  |  |  |
Tax Year 2018 [Member] |  |  |  |  |  |
Effective income tax rate reconciliation, percent | 37.00% |  |  |  |  |
Tax Year 2019 and Thereafter [Member] |  |  |  |  |  |
Effective income tax rate reconciliation, percent | 33.00% |  |  |  |  |

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