Other Current Liabilities (Schedule of Other Current Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Other Current Liabilities [Abstract]
Operating lease liability, current	$ 677
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Liabilities Current
Due to affiliate	$ 3	$ 164
Accrued professional fees	805	1,206
Pension and other postretirement liabilities	69	69
Accrued liabilities	51	56
Other current liabilities, total	$ 1,605	$ 1,495

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

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-Publisher FASB
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-Topic 842
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Indicates line item in statement of financial position that includes operating lease liability.

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Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

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For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement that is payable within one year of the balance sheet date.

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