XML 48 R42.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 11 - Common Stock Options (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   
2012
 
   
Shares
   
Weighted Average Exercise Price
 
Options outstanding at beginning and end of year
    24,049     $ 34.80  
Options exercisable at year-end
    24,049     $ 34.80