Debt (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2014
Current debt	$ 3,524	$ 3,988
Credit Facility	539	1,438
Counsel Loan	2,985	2,550
Debt payable to third parties	2,580	0
Line of Credit Facility, Description	The Credit Facility bears interest at the greater of the WSJ prime rate +1.0%, or 4.5%, and the maximum borrowing available under the Credit Facility is US $15,000, subject to HG LLC maintaining a 1:2 ratio of capital funds.
Counsel Loan, Description	Under the new facility, payment is due within thirty days following the end of each quarter. Unpaid balances accrue interest at a rate per annum equal to the lesser of the WSJ prime rate + 2.0%, or the maximum rate allowable by law.	The advances were made under an existing loan facility that was originally entered into during the fourth quarter of 2003, accrued interest at 10% per annum compounded quarterly from the date the funds were advanced, and was due on demand.
Line of Credit Facility, Maximum Borrowing Capacity	15,000
Line of Credit Facility, Collateral Assets	590	606
Unused Line Fee, Description		The unused Line Fee is equal to the product of 0.50% per annum multiplied by the difference between $15,000 and the average loan amount outstanding during the month.
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.50%
Line of Credit, Unused Capacity Fee Amount	3
Line of Credit Facility, Frequency of Commitment Fee Payment	Monthly
Related Party Accrued Interest		168
Annual Facility Fee [Member]
Line of Credit, Annual Fee	50
Annual Agency Fee [Member]
Line of Credit, Annual Fee	25
Other Third Party Debt [Member]
Debt Instrument, Interest Rate, Stated Percentage	6.00%
Debt Instrument, Maturity Date	Jan. 15, 2016
Other Third Party Debt [Member] | Principal [Member]
Other unrelated third party debt			2,500
Other Third Party Debt [Member] | Current Balance [Member]
Debt payable to third parties	$ 2,580
Counsel Loan [Member]
Related Party Debt, Interest rate	5.25%	10.00%