Schedule of Lease Amounts Paid to Related Parties (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Related Party Transaction [Line Items]
Amount Charged on Leased Premises	$ 25	$ 81	$ 150	$ 244
Lease Amounts [Member] | Foster City, CA [Member] | Senior Officers of HGI [Member]
Related Party Transaction [Line Items]
Amount Charged on Leased Premises		57	76	171
Lease Amounts [Member] | Edwardsville, IL [Member] | Senior Officers of NLEX [Member]
Related Party Transaction [Line Items]
Amount Charged on Leased Premises	$ 25	$ 24	$ 74	$ 73