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Stockholders Equity (Details) - USD ($) | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Oct. 31, 2017 | Sep. 30, 2017 | Dec. 31, 2016 | Dec. 31, 2017 | Dec. 09, 2016 | Mar. 01, 2012 | Feb. 29, 2012
Equity and Long Term Debt [Line Items] |  |  |  |  |  |  |
Common stock shares authorized (in shares) |  |  | 40,000,000 | 40,000,000 |  | 40,000,000 | 20,000,000
Maximum amount of stock repurchase |  |  |  |  | $ 500,000 |  |
Treasury stock repurchase (in shares) |  | 45,900 |  |  |  |  |
Treasury stock repurchase (in usd per share) |  | $ 0.98 |  |  |  |  |
December 2016 Stock Repurchase Program |  |  |  |  |  |  |
Equity and Long Term Debt [Line Items] |  |  |  |  |  |  |
Maximum amount of stock repurchase |  |  | $ 500,000 |  |  |  |
Treasury stock repurchase (in shares) | 45,900 |  | 15,883 |  |  |  |
Treasury stock repurchase (in usd per share) | $ 0.98 |  | $ 1.42 |  |  |  |

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