Other Current Assets (Schedule of Other Current Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Other Current Assets [Abstract]
Restricted cash (see Note 2)	$ 304	$ 0
Indemnification receivable from SSL for pre-closing taxes (see note 13)	598	598
Due from affiliates	111	186
Prepaid expenses	454	164
Other	3	374
Total other current assets	$ 1,470	$ 1,322