Note 9 - Leases and Commitments (Details) - Future Minimum Payments Under Capitalized Leases (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Future Minimum Payments Under Capitalized Leases [Abstract]
Future minimum payments	$ 20,133
Future minimum payments	23,090
Future minimum payments	14,557
Future minimum payments	6,264
Future minimum payments	2,118
Future rentals under operating leases	1,195
Future rentals under operating leases	408
Future rentals under operating leases	297
Future rentals under operating leases	281
Future rentals under operating leases	135
Future rentals under operating leases	$ 168

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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 required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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