CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 1,486,328	$ 360,037
Adjustments to reconcile net income (loss) to net cash provided by (used in) operations -
Depreciation and amortization	936,544	601,181
Amortization (Supplemental Type Certificates)	43,586	56,192
Stock options issued to employees and directors	250,974	0
Loss on sale of fixed asset	0	43,450
Changes in assets and liabilities -
Accounts receivable	(51,386)	207,088
Inventories	(319,361)	(669,162)
Prepaid expenses and other current assets	(376,691)	(733,410)
Stock issue	0	77,500
Accounts payable	258,500	289,512
Customer deposits	(420,768)	(98,094)
Deposits other	0	(1,700,000)
Accrued liabilities	(888,497)	(818,294)
Gaming facility mandated payment	(665,956)	1,198,906
Other liabilities	43,308	26,365
Cash flows from operating activities	296,581	(1,158,729)
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(1,210,712)	(1,297,006)
Proceeds from sale of land/other assets	0	39,000
Cash flows from investing activities	(1,210,712)	(1,258,006)
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowings under line of credit, net	115,447	46,385
Contributed capital	5,000	0
Borrowings of promissory notes, long-term debt and capital lease obligations	727,745	1,211,659
Repayments of promissory notes, long-term debt and capital lease obligations	(974,497)	(861,400)
Cash flows from financing activities	(126,305)	396,644
NET INCREASE (DECREASE) IN CASH	(1,040,436)	(2,020,091)
CASH, beginning of period	8,475,525	8,706,546
CASH, end of period	7,435,089	6,686,455
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest paid	181,262	180,690
Income taxes paid	634,050	895,720
NON CASH OPERATING ACTIVITY
Non cash options to employee	$ 250,974	$ 0