Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Accounting Policies [Abstract]
Realized gain (loss) on marketable securities	$ 56	$ 0	$ 66	$ (61)
Unealized losses on marketable securities	91	0	62	(45)
Dividend income	2	$ 7	19	$ 48
Fair value marketable securities	$ 7,000		$ 7,000		$ 3,400