Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Oct. 31, 2014	Oct. 31, 2013
Cash flows from operating activities:
Net Income (Loss) Attributable to Parent	$ (36,000)	$ 328,000
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Stock compensation cost amortized	12,000
Restricted Stock or Unit Expense		13,000
Depreciation	165,000	186,000
Deferred income taxes	(23,000)	203,000
Change in value of stock appreciation rights	0	217,000
Trade receivables	333,000	15,000
Inventories	(570,000)	(401,000)
Prepaid expenses and other assets	(87,000)	0
Trade accounts payable	195,000	177,000
Accrued liabilities	(279,000)	85,000
Customer deposits	(41,000)	(554,000)
Net cash provided by (used in) operating activities	(581,000)	269,000
Cash flows from investing activities:
Capital expenditures	(288,000)	(97,000)
Net cash used in investing activities	(288,000)	(97,000)
Cash flows from financing activities:
Principal payments on long-term debt	(68,000)	(56,000)
Proceeds from Issuance of Long-term Debt	100,000	0
Payments on capital lease obligations	(2,000)	(17,000)
Net cash provided by (used in) financing activities	30,000	(73,000)
Net increase (decrease) in cash	(839,000)	99,000
Cash, beginning of year	2,038,000	1,593,000
Cash, end of year	1,199,000	1,692,000
Interest	14,000	18,000
Income taxes	19,000	0
Capital expenditure	0	0
Proceeds from capital lease	$ 0	$ 0