CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $)	9 Months Ended
	Jan. 31, 2012	Jan. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 2,597,517	$ 1,225,716
Adjustments to reconcile cash flows from operating activities
Depreciation and amortization	1,494,445	941,703
Amortization (Supplemental Type Certificates)	54,069	56,192
Stock options issued	347,040	119,329
Loss on sale of fixed asset	0	43,450
Changes in assets and liabilities-
Accounts receivable	(1,871,932)	(298,950)
Inventories	(303,611)	(585,412)
Prepaid expenses and other current assets	(51,229)	(1,131,408)
Accounts payable	(576,344)	92,617
Customer deposits	(514,193)	(133,233)
Deposits other	0	(1,700,000)
Accrued liabilities	(672,616)	(367,225)
Gaming facility mandated payment	(954,689)	906,306
Other liabilities	64,552	52,187
Cash flows from operating activities	(386,991)	(778,728)
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(1,229,491)	(1,451,577)
Proceeds from sale of land/other assets	0	39,000
Cash flows from investing activities	(1,229,491)	(1,412,577)
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowings under line of credit, net	524,908	82,365
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	(1,691,434)	(1,264,281)
Cash flows from financing activities	(433,781)	29,743
NET INCREASE (DECREASE) IN CASH	(2,050,263)	(2,161,562)
CASH, beginning of period	8,475,525	8,706,546
CASH, end of period	6,425,262	6,544,984
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest paid	358,095	265,469
Income taxes paid	862,293	976,866
NON CASH OPERATING ACTIVITY
Non cash options to employees and directors	347,040	41,829
Non cash stock issues	0	77,500
Capitalized Lease Intangible Assets	7,423,162	0
Capitalized Lease Obligation	$ 7,423,162	$ 0