Other Current Assets (Schedule of Other Current Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Other Current Assets [Abstract]
Indemnification receivable from SS/L for pre-closing taxes	$ 2,410	$ 2,410
Due from affiliates	314	225
Prepaid expenses	449	192
Income taxes receivable	181	545
Other	331	111
Total other current assets	$ 3,685	$ 3,483