Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 01, 2020	Mar. 03, 2019
Accounts receivable, allowance for doubtful accounts	$ 73	$ 32
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	500,000	500,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	60,000,000	60,000,000
Common stock, shares issued (in shares)	20,965,144	20,965,144
Treasury stock (in shares)	446,321	479,191