Notes Payable and Long-Term Debt (Short-Term Debt) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Short-term Debt [Line Items]
Short-term notes payable	$ 857	$ 857
Unsecured Debt [Member]
Short-term Debt [Line Items]
Current portion of installment note payable November 2015 with variable interest rate equal to the WSJ prime rate plus 1%; Unsecured	857	857
Short-term notes payable	$ 857	$ 857
Interest rate description	WSJ	WSJ
Basis spread on variable rate	1.00%	1.00%