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Note 12 - Stock-Based Compensation (Details) - Summary of Nonvested Options (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Note 12 - Stock-Based Compensation (Details) - Summary of Nonvested Options [Line Items]
Canceled/forfeited/expired - Average Grant Date Fair Value	$ 5.92		$ 8.88	$ 6.43
Employee Stock Option [Member]
Note 12 - Stock-Based Compensation (Details) - Summary of Nonvested Options [Line Items]
Nonvested - Number of Options (in Shares)	137,553
Nonvested - Weighted-Average Grant Date Fair Value	$ 6.13
Granted - Number of Options (in Shares)	35,000
Granted - Average Grant Date Fair Value	$ 5.13
Canceled/forfeited/expired - Number of Options (in Shares)	(42,414)
Canceled/forfeited/expired - Average Grant Date Fair Value	$ 6.16
Vested - Number of Options (in Shares)	(62,100)
Vested - Average Grant Date Fair Value	$ 5.56
Nonvested - Number of Options (in Shares)	68,039
Nonvested - Weighted-Average Grant Date Fair Value	$ 6.11
Restricted Stock [Member]
Note 12 - Stock-Based Compensation (Details) - Summary of Nonvested Options [Line Items]
Nonvested - Weighted-Average Grant Date Fair Value		[1]
Granted - Number of Options (in Shares)	9,500
Granted - Average Grant Date Fair Value	$ 18.17	[1]
Canceled/forfeited/expired - Average Grant Date Fair Value		[1]
Vested - Average Grant Date Fair Value		[1]
Nonvested - Number of Options (in Shares)	9,500
Nonvested - Weighted-Average Grant Date Fair Value	$ 18.17	[1]
[1] The weighted-average grant date fair value was based on the closing price of the Company's stock on the date of the grant.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB

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-Topic 718

-SubTopic 10

-Section 50

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-Subparagraph (c)(2)(iii)(3)

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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-Publisher FASB

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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