Consolidated Statements of Cash Flows (USD $)	3 Months Ended	6 Months Ended
	Oct. 31, 2013	Oct. 31, 2013	Oct. 31, 2012
Cash flows from operating activities:
Net Income (Loss) Attributable to Parent	$ 156,000	$ 328,000	$ 381,000
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Stock compensation cost amortized		13,000	8,000
Depreciation		186,000	156,000
Deferred income taxes		203,000	254,000
Loss on Impairment		0	59,000
Change in value of stock appreciation rights		217,000	9,000
Trade receivables		15,000	570,000
Inventories		(401,000)	(344,000)
Prepaid expenses and other assets		0	(28,000)
Trade accounts payable		177,000	(300,000)
Accrued liabilities		85,000	145,000
Customer deposits		(554,000)	525,000
Net cash provided by (used in) operating activities		269,000	1,435,000
Cash flows from investing activities:
Capital expenditures		(97,000)	(184,000)
Net cash used in investing activities		(97,000)	(184,000)
Cash flows from financing activities:
Principal payments on long-term debt		(56,000)	(53,000)
Payments on capital lease obligations		(17,000)	(21,000)
Net cash provided by (used in) financing activities		(73,000)	(74,000)
Net increase (decrease) in cash		99,000	1,177,000
Cash, beginning of year		1,593,000	308,000
Cash, end of year	1,692,000	1,692,000	1,485,000
Interest	18,000		22,000
Income taxes	0		0
Capital expenditure	0		0
Proceeds from capital lease	$ 0		$ 0