Earnings per Share (Details) (USD $)	3 Months Ended
	Jul. 31, 2013	Jul. 31, 2012
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Attributable to Parent	$ 172,000	$ 84,000
Earnings Per Share, Basic	$ 0.03	$ 0.02
Common Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Attributable to Parent	172,000	84,000
Undistributed Earnings Allocated to Participating Securities	(12,000)	(4,000)
Net Income (Loss) Available to Common Stockholders, Basic	$ 160,000	$ 80,000
Weighted Average Number of Shares Outstanding, Basic	5,265,750	5,265,750
Earnings Per Share, Basic	$ 0.03	$ 0.02