Note 2 - Segment Reporting (Details) - Percentage of Base Revenue, by Segment (Product Concentration Risk [Member], Sales Revenue, Services, Net [Member])	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Trucking [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Percent of Base Revenue	73.50%	72.80%
SCS [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Percent of Base Revenue	26.50%	27.20%