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Note 21 - Commitments and Contingent Liabilities (Details) - George Mason Sponsorship [Member] - USD ($) $ in Millions		12 Months Ended
	Jul. 01, 2015	Dec. 31, 2015
Note 21 - Commitments and Contingent Liabilities (Details) [Line Items]
Agreement Term	20 years
Effective June 30, 2025 [Member]
Note 21 - Commitments and Contingent Liabilities (Details) [Line Items]
Option to Terminate	10 years
Effective June 30, 2030 [Member]
Note 21 - Commitments and Contingent Liabilities (Details) [Line Items]
Option to Terminate	15 years
Termination Option One [Member]
Note 21 - Commitments and Contingent Liabilities (Details) [Line Items]
Increase (Decrease) in Contractual Obligation, Termination Option (in Dollars)		$ 3.5
Termination Option Two [Member]
Note 21 - Commitments and Contingent Liabilities (Details) [Line Items]
Increase (Decrease) in Contractual Obligation, Termination Option (in Dollars)		$ 3.6
Minimum [Member] | Termination Option One [Member]
Note 21 - Commitments and Contingent Liabilities (Details) [Line Items]
Contractual Obligation, Option Period		11 years
Minimum [Member] | Termination Option Two [Member]
Note 21 - Commitments and Contingent Liabilities (Details) [Line Items]
Contractual Obligation, Option Period		16 years
Maximum [Member] | Termination Option One [Member]
Note 21 - Commitments and Contingent Liabilities (Details) [Line Items]
Contractual Obligation, Option Period		15 years
Maximum [Member] | Termination Option Two [Member]
Note 21 - Commitments and Contingent Liabilities (Details) [Line Items]
Contractual Obligation, Option Period		20 years

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- Definition

Amount of time that an agreement will remain in force.

+ References

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- Definition

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- Definition

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+ References

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- Definition

Amount of time, after which, the company has the option to terminate the agreement

+ References

No definition available.

+ Details

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- Details

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