Consolidated Statement of Changes in Stockholders' Equity (USD $)	3 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Stockholders' Equity at Period End	$ 3,264,000	$ 3,176,000
Net Income (Loss) Attributable to Parent	84,000	(259,000)
Common Stock, Shares, Outstanding	5,828,650
Common Stock, Shares, Outstanding	5,515,750
Common Stock [Member]
Net Income (Loss) Attributable to Parent	$ 84,000	$ (259,000)