Other Current Assets (Schedule of Other Current Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018
Other Current Assets [Abstract]
Restricted Cash (see Note 2)	$ 304		$ 304
Restricted Cash, Current, Asset, Statement of Financial Position [Extensible List]	Assets Current
Indemnification receivable from SSL for pre-closing taxes (see note 13)	$ 598	$ 2,410
Due from affiliates	229	161
Prepaid expenses	489	151
Other	450	510
Total other current assets	$ 2,070	$ 3,232