Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2022	Apr. 30, 2021
Current assets:
Cash and cash equivalents	$ 120,728	$ 113,017
Accounts receivable, net of allowances for credit losses of $36 on April 30, 2022 and $107 on April 30, 2021	62,695	67,442
Inventories	136,660	78,477
Prepaid expenses and other current assets	5,569	8,408
Income tax receivable	1,945	909
Total current assets	327,597	268,253
Property, plant, and equipment, net	135,591	141,612
Intangibles, net	3,608	4,417
Goodwill	19,024	19,024
Deferred income taxes	1,221
Other assets	10,435	13,082
Total assets	497,476	446,388
Current liabilities:
Accounts payable	30,042	57,337
Accrued expenses and deferred revenue	23,482	33,136
Accrued payroll and incentives	17,371	17,381
Accrued income taxes	2,673	1,157
Accrued profit sharing	13,543	14,445
Accrued warranty	1,838	2,199
Total current liabilities	88,949	125,655
Deferred income taxes		904
Finance lease payable, net of current portion	37,628	38,786
Other non-current liabilities	10,385	14,659
Total liabilities	136,962	180,004
Commitments and contingencies (Note 17)
Stockholders’ equity:
Preferred stock, $.001 par value, 20,000,000 shares authorized, no shares issued or outstanding	0	0
Common stock, $.001 par value, 100,000,000 shares authorized, 74,641,439 issued and 45,601,069 shares outstanding on April 30, 2022 and 74,222,127 shares issued and 49,937,329 shares outstanding on April 30, 2021	75	74
Additional paid-in capital	278,101	273,431
Retained earnings	504,640	325,181
Accumulated other comprehensive income	73	73
Treasury stock, at cost (29,040,370 shares on April 30, 2022 and 24,284,798 on April 30, 2021)	(422,375)	(332,375)
Total stockholders’ equity	360,514	266,384
Total liabilities and stockholders' equity	$ 497,476	$ 446,388