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Note 11 - Subsequent Event (Details) - USD ($)	1 Months Ended
	Aug. 07, 2015	Jul. 07, 2015	Feb. 28, 2015
The February 2015 Share Repurchase Program [Member]
Note 11 - Subsequent Event (Details) [Line Items]
Stock Repurchase Program, Authorized Amount			$ 10,000,000
Subsequent Event [Member] | The July 2015 Share Repurchase Program [Member]
Note 11 - Subsequent Event (Details) [Line Items]
Stock Repurchase Program, Authorized Amount		$ 10,000,000
Subsequent Event [Member] | Share Repurchase Programs 2015 [Member]
Note 11 - Subsequent Event (Details) [Line Items]
Treasury Stock, Shares, Acquired (in Shares)	5,800
Treasury Stock, Value, Acquired, Cost Method	$ 91,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 10,700,000

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-Topic 505



-SubTopic 10



-Section 50



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