Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 48	$ 4,506
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	3,250	3,140
Gain on sale of airplane		(529)
Deferred compensation, restricted stock	300	95
Changes in assets and liabilities
Accounts receivable	514	806
Income tax receivable	(65)	27
Inventories	(893)	293
Prepaid expenses and other current assets	(456)	(408)
Accounts payable	793	(261)
Customer deposits	1,788	93
Lease liability	(559)	(478)
Accrued liabilities	(721)	150
Gaming facility mandated payment	64	6
Income tax payable	(206)	1,300
Other current liabilities	143	108
Net cash provided by operating activities	4,000	8,848
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(3,401)	(677)
Proceeds from sale of airplanes		975
Net cash provided by (used in) investing activities	(3,401)	298
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowings of long-term debt	2,001
Repayments of long-term debt	(1,804)	(997)
Repurchase of common stock	(185)	(138)
Net cash provided by (used in) financing activities	12	(1,135)
NET INCREASE IN CASH	611	8,011
CASH, beginning of period	16,793	9,014
CASH, end of period	17,404	17,025
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest paid	1,644	2,183
Income taxes paid	385	259
NON CASH INVESTING AND FINANCING ACTIVITY
Lease right-of-use assets and lease liability		$ 41,981