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Income Taxes (Details Textual) - USD ($) $ in Thousands | 12 Months Ended |
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Dec. 31, 2018 | Dec. 31, 2019
Income Taxes (Textual) |  |
Open tax years | 2008 through 2017 |
Federal [Member] |  |
Income Taxes (Textual) |  |
Operating loss carryforwards |  | $ 63,800
Operating loss carryforwards, expiration date | Dec. 31, 2028 |
State [Member] |  |
Income Taxes (Textual) |  |
Operating loss carryforwards |  | 20,000
Operating loss carryforwards, expiration date | Dec. 31, 2030 |
Foreign [Member] |  |
Income Taxes (Textual) |  |
Operating loss carryforwards |  | $ 7,300

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