Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 5,863	$ 5,038
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	4,770	2,377
Gain on sale of airplane	(604)
Deferred compensation, restricted stock	142	0
Changes in assets and liabilities
Accounts receivable	189	(668)
Income tax receivable	27	219
Inventories	(197)	(1,544)
Prepaid expenses and other current assets	(107)	(431)
Accounts payable	(93)	(520)
Customer deposits	(1,249)	1,864
Accrued liabilities	(154)	1,252
Gaming facility mandated payment	(159)	(244)
Income tax payable	1,794
Other current liabilities	165	147
Net cash provided by operating activities	10,387	7,490
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(1,835)	(1,499)
Proceeds from sale of airplanes	1,050
Net cash used in investing activities	(785)	(1,499)
CASH FLOWS FROM FINANCING ACTIVITIES
Repayments of promissory notes, net		(2,387)
Repayments of long-term debt	(1,445)	(1,220)
Reduction of finance lease liability	(703)
Distribution to non-controlling member	(360)	(720)
Repurchase of common stock	(326)	(214)
Net cash used in financing activities	(2,834)	(4,541)
NET INCREASE IN CASH	6,768	1,450
CASH, beginning of period	9,014	7,353
CASH, end of period	15,782	8,803
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest paid	3,295	172
Income taxes paid	259	105
NON CASH INVESTING AND FINANCING ACTIVITY
Finance lease right-of-use assets and finance lease liability	$ 42,650	$ 1,699