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Shareholders' Equity - Reverse Stock Split (Details) | Jul. 28, 2016 $ / shares | Mar. 31, 2017 $ / shares | Dec. 31, 2016 $ / shares
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Class of Stock [Line Items] |  |  |
Common Stock, Par Value | $ 0.001 | $ 0.001 | $ 0.001
Reverse Stock Split, Conversion Ratio | 0.1 |  |

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