Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 31, 2024	Apr. 30, 2023
Current assets:
Cash and cash equivalents	$ 11,663	$ 12,049
Accounts receivable, net of allowance for doubtful accounts of $111 at January 31, 2024 and April 30, 2023	5,410	4,622
Contract assets	10,572	10,009
Inventories	23,159	20,526
Prepaid income taxes	24	30
Prepaid expenses and other	1,252	1,071
Total current assets	52,080	48,307
Property, plant, and equipment, net	6,232	7,093
Goodwill	617	617
Cash surrender value of life insurance	10,676	10,220
Other assets	875	877
Right-of-use assets – operating leases	6,323	7,382
Restricted cash	941	0
Total assets	77,744	74,496
Current liabilities:
Accounts payable	1,723	1,464
Accrued liabilities	4,528	3,934
Loss provision accrual	1,620	1,544
Operating lease liability - current portion	1,783	1,753
Contract liabilities	18,370	18,586
Total current liabilities	28,024	27,281
Deferred compensation	8,190	8,314
Deferred taxes	8	8
Operating lease liability – non-current portion	4,716	5,883
Other liabilities	133	124
Total liabilities	41,071	41,610
Stockholders’ equity:
Preferred stock - $1.00 par value; authorized 600 shares, no shares issued	0	0
Common stock - $1.00 par value; authorized 20,000 shares, 9,486 shares issued and 9,485 shares outstanding at January 31, 2024; 9,374 shares issued and 9,373 shares outstanding at April 30, 2023	9,487	9,374
Additional paid-in capital	49,841	49,136
Accumulated deficit	(22,652)	(25,621)
Common stock reacquired and held in treasury - at cost (1 share at January 31, 2024 and April 30, 2023)	(3)	(3)
Total stockholders’ equity	36,673	32,886
Total liabilities and stockholders’ equity	$ 77,744	$ 74,496