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NET INCOME PER COMMON SHARE AND EQUITY PER COMMON SHARE (Tables)
12 Months Ended
Dec. 31, 2012
NET INCOME PER COMMON SHARE AND EQUITY PER COMMON SHARE [Abstract]  
Shares Used in Computing Basic and Diluted Net Income per Share
Basic net income per share is based on the weighted average number of common shares outstanding.  Diluted net income per share is based on the weighted average number of common shares outstanding and the potentially dilutive effect of employee stock options.  The following table summarizes the shares used in computing basic and diluted net income per share:

 
 
For the Year
 
 
 
Ended December 31,
 
 
 
2012
 
 
2011
 
 
2010
 
 
 
(in thousands)
 
 
 
 
 
 
 
 
Weighted average common shares outstanding during the period for Basic computation
 
 
8,666
 
 
 
8,122
 
 
 
7,557
 
Dilutive effect of employee stock options
 
 
51
 
 
 
38
 
 
 
61
 
Weighted average common shares outstanding during the period for Diluted computation
 
 
8,717
 
 
 
8,160
 
 
 
7,618