Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Apr. 30, 2012	Apr. 30, 2011
Cash flows from operating activities:
Net Income (Loss) Attributable to Parent	$ (16,000)	$ 1,256,000
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Cost recognized on cancellation of restricted stock	(117,000)	(15,000)
Stock compensation cost amortized	11,000	47,000
Depreciation	306,000	200,000
Deferred income taxes	0	(608,000)
Change in value of stock appreciation rights	(28,000)	52,000
Trade receivables	800,000	(1,288,000)
Inventories	172,000	(181,000)
Prepaid expenses and other assets	(51,000)	(49,000)
Trade accounts payable	(4,000)	319,000
Accrued liabilities	95,000	40,000
Customer deposits	(710,000)	(152,000)
Income taxes payable	(8,000)	8,000
Net cash provided by (used in) operating activities	450,000	(371,000)
Cash flows from investing activities:
Capital expenditures	(496,000)	(526,000)
Net cash used in investing activities	(496,000)	(526,000)
Cash flows from financing activities:
Principal payments on long-term debt	(102,000)	(648,000)
Proceeds from long-term debt	0	(1,030,000)
Payments on capital lease obligations	(34,000)	(25,000)
Net cash provided by (used in) financing activities	(136,000)	357,000
Net increase (decrease) in cash	(182,000)	(540,000)
Cash, beginning of year	490,000	1,030,000
Cash, end of year	308,000	490,000
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest	47,000	46,000
Income taxes	8,000	0
Capital expenditure	(57,000)	(50,000)
Proceeds from capital lease	$ 57,000	$ 50,000