Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Jan. 31, 2015	Jan. 31, 2014
Cash flows from operating activities:
Net Income (Loss) Attributable to Parent	$ (8,000)	$ 359,000
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Stock compensation cost amortized	20,000
Restricted Stock or Unit Expense		20,000
Depreciation	249,000	271,000
Deferred income taxes	(2,000)	223,000
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost	(250,000)	148,000
Trade receivables	(308,000)	1,000
Inventories	(426,000)	(371,000)
Prepaid expenses and other assets	(33,000)	11,000
Trade accounts payable	169,000	44,000
Accrued liabilities	(101,000)	57,000
Customer deposits	(29,000)	(576,000)
Net cash provided by (used in) operating activities	(719,000)	187,000
Cash flows from investing activities:
Capital expenditures	(369,000)	(107,000)
Net cash used in investing activities	(369,000)	(107,000)
Cash flows from financing activities:
Principal payments on long-term debt	(104,000)	(84,000)
Proceeds from Issuance of Long-term Debt	100,000	0
Payments on capital lease obligations	(2,000)	(26,000)
Net cash provided by (used in) financing activities	(6,000)	(110,000)
Net increase (decrease) in cash	(1,094,000)	(30,000)
Cash, beginning of year	2,038,000	1,593,000
Cash, end of year	944,000	1,563,000
Interest	21,000	26,000
Income taxes	14,000	7,000
Capital expenditure	0	0
Proceeds from capital lease	$ 0	$ 0