Marketable Investments (Details Narrative) - USD ($) $ in Thousands		12 Months Ended
	Nov. 15, 2013	Dec. 31, 2016	Dec. 31, 2015	Jul. 09, 2013
Number of common shares		13,138,340	13,115,909
Fair Value		$ 2,621	$ 5,286
Impairment expense		8,077	6,638
Senior notes		1,564	2,857
Paid-in-kind interest			$ 1,063
Cancer Genetics, Inc [Member]
Number of common shares		736,076
Fair Value		$ 1,000
Impairment loss		$ 1,400
Hooper Holmes [Member]
Number of common shares		77,922
Fair Value		$ 100
Agreement To Purchase Senior Secured Notes [Member]
Fair Value		1,600
Impairment expense		1,400
Senior notes				$ 3,000
Paid-in-kind interest	$ 100
Write off of interest accrued		100
Cash collected from debt		$ 41
Tribute [Member] | Agreement To Purchase Senior Secured Notes [Member]
Senior notes				$ 100,000