Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2024	Apr. 30, 2023
CURRENT ASSETS:
Cash	$ 17,792	$ 21,997
Accounts receivable, net	5,776	3,793
Inventory, net	9,522	8,947
Contract asset	3,812	1,893
Prepaid expenses and other current assets	1,694	3,532
Total current assets	38,596	40,162
LEASE RIGHT-TO-USE ASSET, net	2,892	3,081
PROPERTY, PLANT AND EQUIPMENT, net	59,587	59,067
SUPPLEMENTAL TYPE CERTIFICATES (net of accumulated amortization of $11,810 at April 30, 2024 and $10,603 at April 30, 2023)	9,762	8,722
OTHER ASSETS:
Other assets (net of accumulated amortization of $13,041 at April 30, 2024 and $12,290 at April 30, 2023)	1,219	1,401
Deferred tax asset, net	1,919	1,473
Total other assets	3,138	2,874
Total assets	113,975	113,906
CURRENT LIABILITIES:
Accounts payable	5,291	5,320
Current maturities of long-term debt	4,866	4,987
Current maturities of lease liability	25	145
Contract liability	5,922	6,031
Gaming facility mandated payment	1,846	1,730
Compensation and compensated absences	1,932	6,722
Income tax payable	2,842	228
Other current liabilities	193	214
Total current liabilities	22,917	25,377
Long-term debt, net of current maturities	33,244	38,418
Lease liability, net of current maturities	3,373	3,330
Total long-term liabilities	36,617	41,748
Total liabilities	59,534	67,125
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Common stock, par value $.01: Authorized 100,000,000 shares, issued 79,646,211 shares, and outstanding 68,770,856 shares at April 30, 2024 and issued 80,871,211 shares, and outstanding 76,891,689 shares at April 30, 2023	796	808
Capital contributed in excess of par	13,866	13,647
Treasury stock at cost, 10,875,355 shares at April 30, 2024 and 3,979,522 shares at April 30, 2023	(7,197)	(2,138)
Retained earnings	46,976	34,464
Total stockholders' equity	54,441	46,781
Total liabilities and stockholders' equity	113,975	113,906
Preferred Class A [Member]
STOCKHOLDERS' EQUITY:
Preferred stock, class B	0	0
Preferred Class B [Member]
STOCKHOLDERS' EQUITY:
Preferred stock, class B	$ 0	$ 0