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Earnings per Share (Tables)
 12 Months Ended
Apr. 30, 2013
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block]
 
2013
2012
Net earnings
$
1,221,000

$
(16,000
)
Amounts allocated to participating securities (nonvested restricted shares)
—

—

Net income attributable to common shareholders 
$
1,221,000

$
(16,000
)
Basic weighted average common shares
5,265,750

5,515,750

Earnings per share attributable to common shareholders:
 

 
Basic earnings per share
$
0.23

$
—