Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
Cash flows from operating activities:
Net Income (Loss) Attributable to Parent	$ 1,221,000	$ (16,000)
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Cost recognized on cancellation of restricted stock	(36,000)	(117,000)
Stock compensation cost amortized	0	11,000
Depreciation	347,000	306,000
Deferred income taxes	(232,000)	0
Gain (Loss) on Disposition of Assets	3,000	0
Asset Impairment Charges	108,000	0
Income Tax Expense (Benefit)	(232,000)	0
Change in value of stock appreciation rights	44,000	(28,000)
Trade receivables	63,000	800,000
Inventories	(202,000)	172,000
Prepaid expenses and other assets	(47,000)	(51,000)
Trade accounts payable	(253,000)	(4,000)
Accrued liabilities	246,000	95,000
Customer deposits	402,000	(710,000)
Income taxes payable	0	(8,000)
Net cash provided by (used in) operating activities	1,664,000	450,000
Cash flows from investing activities:
Capital expenditures	(249,000)	(496,000)
Proceeds from sale of equipment	20,000	0
Net cash used in investing activities	(229,000)	(496,000)
Cash flows from financing activities:
Principal payments on long-term debt	(107,000)	(102,000)
Payments on capital lease obligations	(43,000)	(34,000)
Net cash provided by (used in) financing activities	(150,000)	(136,000)
Net increase (decrease) in cash	1,285,000	(182,000)
Cash, beginning of year	308,000	490,000
Cash, end of year	1,593,000	308,000
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest	42,000	47,000
Income taxes	21,000	8,000
Capital expenditure	0	(57,000)
Proceeds from capital lease	$ 0	$ 57,000