Accounts Payable and Accrued Expenses  | 
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2018  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Payables and Accruals [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accounts Payable and Accrued Liabilities Disclosure [Text Block] | 
 Note 6 — Accounts Payable and Accrued Expenses  Accounts payable, accrued expenses and other liabilities consisted of the following (in thousands): 
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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- References No definition available. 
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