Note 10 - Leasing Activities (Details) - Future Minimum Lease Payments Under Capital And Non-Cancelable Vehicle Leases (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Future Minimum Lease Payments Under Capital And Non-Cancelable Vehicle Leases [Abstract]
2014	$ 11,600
2014	801
2015	9,946
2015	319
2016	8,138
2016	73
2017	6,141
2017	27
2018	6,736
Thereafter	6,985
Total minimum lease payments	49,546
Total minimum lease payments	1,220
Less amount representing interest	(4,079)
Present value of net minimum capital lease payments	45,467
Less current portion	(10,268)	(10,673)
Obligations under capital leases less current portion	$ 35,199	$ 39,300

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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments maturing in the next fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the fifth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the forth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the third fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the second fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing after the fifth fiscal year following the latest fiscal year for capital leases.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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