Notes Payable, Related Parties (Details Textual) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Apr. 30, 2013	Dec. 31, 2018	Dec. 31, 2017
Settlement of outstanding obligations	$ 40	$ 0	$ 12
Due to Employees	$ 72
Interest expense related party			$ 1
Salary Obligation [Member]
Debt interest rate	4.25%
Debt instrument payment	$ 1
Debt instrument maturity date	Jun. 30, 2018
Unsecured Promissory Note [Member]
Debt interest rate	8.00%
Debt instrument payment	$ 1
Debt instrument maturity date	May 31, 2018

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount of the required periodic payments including both interest and principal payments.

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Amounts due to employees, not to include stockholders or officers.

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Amount of interest expense incurred on a debt or other obligation to related party.

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