Consolidated Statement of Changes in Stockholders' Equity (USD $)	Total	Common Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Stockholders' Equity at Period Start at Apr. 30, 2012	$ 3,176,000		$ 60,000	$ 12,319,000	$ (9,184,000)	$ (19,000)
Common Stock, Shares, Outstanding at Apr. 30, 2012		5,983,545
Restricted Stock Cancelled	(36,000)	0	0	(36,000)	0	0
Net Income (Loss) Attributable to Parent	1,221,000	1,221,000	0	0	1,221,000	0
Stockholders' Equity at Period End at Apr. 30, 2013	4,361,000		60,000	12,283,000	(7,963,000)	(19,000)
Common Stock, Shares, Outstanding at Apr. 30, 2013	5,265,750	5,983,545
Stock Granted, Value, Share-based Compensation, Gross	34,000	0	0	24,000	0	10,000
Restricted Stock Cancelled	0
Net Income (Loss) Attributable to Parent	872,000	872,000	0	0	872,000	0
Stockholders' Equity at Period End at Apr. 30, 2014	$ 5,267,000		$ 60,000	$ 12,307,000	$ (7,091,000)	$ (9,000)
Common Stock, Shares, Outstanding at Apr. 30, 2014	5,615,750	5,983,545