Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Jul. 31, 2019	Jul. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 2,191,000	$ 922,000
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	1,555,000	750,000
Gain on sale of airplane	(529,000)
Deferred compensation, restricted stock	47,000	0
Changes in assets and liabilities
Accounts receivable	(2,117,000)	(118,000)
Income tax receivable	27,000	188,000
Inventories	(374,000)	(391,000)
Prepaid expenses and other current assets	(100,000)	(462,000)
Accounts payable	(38,000)	(288,000)
Customer deposits	190,000	1,340,000
Accrued liabilities	(156,000)	(181,000)
Gaming facility mandated payment	(305,000)	(282,000)
Income tax payable	735,000
Other current liabilities	15,000	61,000
Net cash provided by operating activities	1,141,000	1,539,000
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(58,000)	(227,000)
Proceeds from sale of airplane	975,000
Net cash provided by (used in) investing activities	917,000	(227,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Repayments of promissory notes, net		(711,000)
Repayments of long-term debt	(556,000)	(401,000)
Reduction of finance lease liability	(224,000)	(2,000)
Repurchase of common stock	(43,000)	(6,000)
Net cash used in financing activities	(823,000)	(1,120,000)
NET INCREASE IN CASH	1,235,000	192,000
CASH, beginning of period	9,014,000	7,353,000
CASH, end of period	10,249,000	7,545,000
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest paid	1,096,000	71,000
Income taxes paid
NON CASH INVESTING AND FINANCING ACTIVITY
Finance lease right-of-use assets and finance lease liability	$ 41,981,000