Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Cash flows from operating activities:
Net Income (Loss) Attributable to Parent	$ (115,000)	$ 172,000
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Stock compensation cost amortized	4,000
Restricted Stock or Unit Expense		4,000
Depreciation	82,000	94,000
Deferred income taxes	(72,000)	107,000
Change in value of stock appreciation rights	0	93,000
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost	(250,000)	0
Trade receivables	236,000	355,000
Inventories	(309,000)	(81,000)
Prepaid expenses and other assets	(64,000)	(1,000)
Trade accounts payable	142,000	252,000
Accrued liabilities	(215,000)	(212,000)
Customer deposits	(38,000)	(566,000)
Net cash provided by (used in) operating activities	(599,000)	217,000
Cash flows from investing activities:
Capital expenditures	(159,000)	(58,000)
Net cash used in investing activities	(159,000)	(58,000)
Cash flows from financing activities:
Principal payments on long-term debt	(34,000)	(28,000)
Proceeds from Issuance of Long-term Debt	100,000	0
Payments on capital lease obligations	(2,000)	(7,000)
Net cash provided by (used in) financing activities	64,000	(35,000)
Net increase (decrease) in cash	(694,000)	124,000
Cash, beginning of year	2,038,000	1,593,000
Cash, end of year	1,344,000	1,717,000
Interest	7,000	9,000
Income taxes	19,000	0
Capital expenditure		0
Proceeds from capital lease		$ 0