Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 26, 2021	Mar. 28, 2021
Shareholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	500,000	500,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars shares)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	15,000,000	15,000,000
Common stock, issued (in shares)	8,982,132	8,844,083
Common stock, outstanding (in shares)	8,962,932	8,833,833
Treasury stock (in shares)	19,200	10,250