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Note 10 - Equity Method Investment (Tables) (Transport Enterprise Leasing, LLC [Member])

12 Months Ended

Dec. 31, 2014

Balance Sheet [Member]

Note 10 - Equity Method Investment (Tables) [Line Items]

Equity Method Investments [Table Text Block]

(in thousands)		As of the years ended December 31,
		2014				2013
Current Assets		$	14,525			$	9,160
Non-current Assets			64,731				40,296
Current Liabilities			16,733				13,456
Non-current Liabilities			45,687				26,101
Total Equity		$	16,836			$	9,899

Income Statement [Member]

Note 10 - Equity Method Investment (Tables) [Line Items]

Equity Method Investments [Table Text Block]

(in thousands)		As of the years ended December 31,
		2014				2013				2012
Revenue		$	90,197			$	58,484			$	53,459
Operating Expenses			79,771				50,878				48,382
Operating Income			10,426				7,606				5,077
Net Income		$	7,564			$	5,643			$	3,850