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Note 13 - Stockholders' Equity - Summary Changes in Outstanding Shares of Common Stock (Details) - shares	1 Months Ended	12 Months Ended
	Feb. 03, 2018	Feb. 02, 2019	Dec. 31, 2016
Shares outstanding (in shares)	15,515,960	14,983,694	15,856,927
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding (in shares)	(4,038)	207,406	172,758
Repurchase of shares (in shares)	(528,228)	(237,958)	(513,725)
Shares outstanding (in shares)	14,983,694	14,953,142	15,515,960

X

- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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X

- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Number of shares that have been repurchased and retired during the period.

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