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Note 8 - Stockholders' Equity (Details Textual) - The August 2017 Share Repurchase Program [Member] - USD ($) $ / shares in Units, shares in Millions, $ in Millions	32 Months Ended
	May 02, 2020	Aug. 31, 2017
Stock Repurchase Program, Authorized Amount		$ 20.0
Stock Repurchased and Retired During Period, Shares (in shares)	1.3
Share Price (in dollars per share)	$ 8.75
Stock Repurchased and Retired During Period, Value	$ 11.2
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 8.8

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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