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Significant Accounting Policies Schedule of Cash (Tables) | 3 Months Ended
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Mar. 31, 2019
Schedule of Cash [Abstract] |
Schedule of Cash, Cash Equivalents and Restricted Cash [Table Text Block] | The following table sets forth our cash, cash equivalents and restricted cash reported within the Company’s Condensed Consolidated Statements of Cash Flows (in thousands):
| March 31, 2019 |  | March 31, 2018
Cash and cash equivalents | $ | 5,177 |  |  | $ | 3,230 |
Restricted cash | 10,377 |  |  | 5,381 |
| $ | 15,554 |  |  | $ | 8,611 |

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