CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands		Total		Common Stock		Capital Contributed in Excess of Par Value		Accumulated Earnings		Accumulated Other Comprehensive Income
Balance at May. 01, 2022	[1]	$ 119,501		$ 611		$ 43,143		$ 75,715		$ 32
Balance (in shares) at May. 01, 2022	[1]			12,228,629
Net loss		(5,699)						(5,699)
Stock-based compensation		252				252
Unrealized gain (loss) on investments		(7)								(7)
Common stock issued in connection with vesting of performance based restricted stock units (in shares)				913
Common stock issued in connection with the vesting of time-based restricted stock units				$ 2		(2)
Common stock issued in connection with the vesting of time-based restricted stock units (in shares)				32,199
Common stock surrendered in connection with payroll withholding taxes		(52)				(52)
Common stock surrendered in connection with payroll withholding taxes (in shares)				(6,708)
Immediately vested common stock award				$ 1		(1)
Immediately vested common stock award, (in shares)				19,753
Balance at Jul. 31, 2022		113,995		$ 614		43,340		70,016		25
Balance (in shares) at Jul. 31, 2022				12,274,786
Balance at Apr. 30, 2023		89,080	[2]	$ 616	[3]	44,250	[3]	44,195	[3]	19	[3]
Balance (in shares) at Apr. 30, 2023	[3]			12,327,414
Net loss		(3,342)						(3,342)
Stock-based compensation		322				322
Unrealized gain (loss) on investments		57								57
Immediately vested common stock award				$ 1		(1)
Immediately vested common stock award, (in shares)				16,616
Balance at Jul. 30, 2023		$ 86,117		$ 617		$ 44,571		$ 40,853		$ 76
Balance (in shares) at Jul. 30, 2023				12,344,030

[1] Derived from audited consolidated financial statements.

[2] Derived from audited consolidated financial statements.

[3] Derived from audited consolidated financial statements.