Related Party Transactions (Narrative) (Details) - USD ($) $ in Thousands	4 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2003	Sep. 30, 2015	Dec. 31, 2014
Debt Payable to Related Parties		$ 1,698	$ 2,985
Related Party Transaction, Description of Transaction		Beginning in December 2004, HGI and Counsel entered into successive annual management services agreements (collectively, the “Agreement”). Under the terms of the Agreement, HGI agreed to pay Counsel for ongoing services provided to HGI by Counsel personnel. These services included preparation of the Company’s financial statements and regulatory filings, taxation matters, stock-based compensation administration, Board administration, patent portfolio administration and litigation matters. The Counsel employees providing the services were: 1) its Executive Vice President, Secretary and Chief Financial Officer, 2) its Tax Manager, 3) an Accounting Manager, and 4) its Accounts Payable Clerk. These employees have the same or similar positions with HGI, but none of them received compensation from HGI. Rather, Counsel allocated to HGI a percentage, based on time incurred, of the employees’ base compensation paid by Counsel. Beginning in the first quarter of 2011, additional amounts were charged to HGI for Counsel services specifically relating to the ongoing operations of HGI’s asset liquidation business. The amounts due under the Agreement were payable within 30 days following the respective year end, subject to applicable restrictions. Any unpaid amounts bore interest at 10% per annum commencing on the day after such year end. In the first quarter of 2013, Counsel announced its plan to dispose of its interest in HGI, and on March 20, 2014, Counsel declared a dividend in kind, consisting of Counsel’s distribution of its majority interest in HGI to Counsel shareholders. The dividend was paid on April 30, 2014 to shareholders of record as of April 1, 2014.Following this disposition, the Company and Counsel entered into a replacement management services agreement (the “Services Agreement”). Under the terms of the Services Agreement, Counsel remained as external manager and continued to provide the same services, at similar rates, until the Services Agreement was terminated effective August 31, 2015, as described more fully in the Current Report on Form 8-K filed with the SEC on September 1, 2015.	Beginning in December 2004, HGI and Counsel entered into successive annual management services agreements (collectively, the “Agreement”). Under the terms of the Agreement, HGI agreed to pay Counsel for ongoing services provided to HGI by Counsel personnel. These services included preparation of the Company’s financial statements and regulatory filings, taxation matters, stock-based compensation administration, Board administration, patent portfolio administration and litigation matters. The Counsel employees providing the services were: 1) its Executive Vice President, Secretary and Chief Financial Officer, 2) its Tax Manager, 3) an Accounting Manager, and 4) its Accounts Payable Clerk. These employees have the same or similar positions with HGI, but none of them received compensation from HGI. Rather, Counsel allocated to HGI a percentage, based on time incurred, of the employees’ base compensation paid by Counsel. Beginning in the first quarter of 2011, additional amounts were charged to HGI for Counsel services specifically relating to the ongoing operations of HGI’s asset liquidation business. The amounts due under the Agreement were payable within 30 days following the respective year end, subject to applicable restrictions. Any unpaid amounts bore interest at 10% per annum commencing on the day after such year end. In the first quarter of 2013, Counsel announced its plan to dispose of its interest in HGI, and on March 20, 2014, Counsel declared a dividend in kind, consisting of Counsel’s distribution of its majority interest in HGI to Counsel shareholders. The dividend was paid on April 30, 2014 to shareholders of record as of April 1, 2014.Following this disposition, the Company and Counsel entered into a replacement management services agreement (the “Services Agreement”). Under the terms of the Services Agreement, Counsel remained as external manager and continued to provide the same services, at similar rates, until the Services Agreement was terminated effective August 31, 2015, as described more fully in the Current Report on Form 8-K filed with the SEC on September 1, 2015.
Approximations [Member]
Related Party Accrued Interest		$ 400
Debt Payable to Related Parties		$ 1,700	$ 3,000
Counsel Loan [Member]
Related Party Debt, Interest rate	10.00%	5.25%	5.25%