Long-term Debt Non-Interest Bearing Loan (Details) (Non interest bearing note [Member], FreightLink [Member])	12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2013 AUD	Dec. 01, 2010 USD ($)	Dec. 01, 2010 AUD
Debt Instrument [Line Items]
Long-term debt			$ 1,700,000	1,800,000
Debt Instrument, Face Amount	44,600,000	50,000,000	48,200,000
Long-term debt	$ 2,000,000	2,300,000
Debt instrument, maturity date	Jan. 14, 2054	Jan. 14, 2054
Debt Instrument, Interest Rate, Effective Percentage	8.00%	8.00%