Schedule of Lease Amounts Paid to Related Parties (Details) - USD ($) $ in Thousands |
3 Months Ended | |
---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
|
Related Party Transaction [Line Items] | ||
Amount Charged on Leased Premises | $ 82 | $ 81 |
Lease Amounts [Member] | Foster City, CA [Member] | Senior Officers of HGI [Member] | ||
Related Party Transaction [Line Items] | ||
Amount Charged on Leased Premises | 57 | 57 |
Lease Amounts [Member] | Edwardsville, IL [Member] | Senior Officers of NLEX [Member] | ||
Related Party Transaction [Line Items] | ||
Amount Charged on Leased Premises | $ 25 | $ 24 |