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Note 10 - Common Stock Repurchases	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Treasury Stock [Text Block]	Note 10 – Common Stock Repurchases During the year s ended December 31, 2017 and 2016, we repurchased 20,567 and 23,923 shares of our common stock, respectively, with an aggregate value of approximately $3,800 and $1,600 respectively, associated with the vesting of restricted stock held by employees. Per terms of the restricted stock agreements, for certain employees we paid the employee’s related taxes associated with the employee’s vested stock and decreased the freely tradable shares issued to the employee by a corresponding value, resulting in a share issuance net of taxes to the employee. The value of the shares netted for employee taxes represents treasury stock repurchased.

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- Definition

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-URI http://asc.fasb.org/subtopic&trid=2208821

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