Earnings per Share (Tables)

6 Months Ended

Oct. 31, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block]

	Three Months Ended						Six Months Ended
	October 31, 2014			October 31, 2013			October 31, 2014			October 31, 2013
Net earnings (loss)	$	79,000		$	156,000		$	(36,000	)	$	328,000
Amounts allocated to participating securities (nonvested restricted shares)	(5,000		)	(11,000		)	—			(23,000		)
Net income (loss) attributable to common shareholders	$	74,000		$	145,000		$	(36,000	)	$	305,000
Basic weighted average common shares	5,265,750			5,265,750			5,265,750			5,265,750
Earnings per share attributable to common shareholders:
Basic earnings (loss) per share	$	0.01		$	0.03		$	(0.01	)	$	0.06