XML 86 R93.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options [Line Items]      
Outstanding 115,800 128,225 156,275
Exercise Price $ 23.51 $ 22.72 $ 21.93
Remaining Life (In Years) 1 year 335 days    
Options Exercisable 57,800    
Exercise Price $ 25.38    
Exercise Price $17.15 [Member]
      
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options [Line Items]      
Outstanding 11,250    
Exercise Price $ 17.15    
Remaining Life (In Years) 18 days    
Options Exercisable 11,250    
Exercise Price $ 17.15    
Exercise Price $17.25 [Member]
      
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options [Line Items]      
Outstanding 13,750    
Exercise Price $ 17.25    
Remaining Life (In Years) 1 year 47 days    
Options Exercisable 13,750    
Exercise Price $ 17.25    
Exercise Price $19.26 [Member]
      
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options [Line Items]      
Outstanding 3,000    
Exercise Price $ 19.76    
Remaining Life (In Years) 1 year 251 days    
Options Exercisable 3,000    
Exercise Price $ 19.76    
Exercise Price $20 [Member]
      
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options [Line Items]      
Outstanding 16,200    
Exercise Price $ 20.00    
Remaining Life (In Years) 2 years 25 days    
Exercise Price $21.35 [Member]
      
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options [Line Items]      
Outstanding 19,300    
Exercise Price $ 21.35    
Remaining Life (In Years) 3 years 25 days    
Exercise Price $22.11 [Member]
      
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options [Line Items]      
Outstanding 2,500    
Exercise Price $ 22.11    
Remaining Life (In Years) 2 years 240 days    
Exercise Range 23.20 [Member]
      
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options [Line Items]      
Outstanding 20,000    
Exercise Price $ 23.20    
Remaining Life (In Years) 4 years 21 days    
Exercise Price $32.35 [Member]
      
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options [Line Items]      
Outstanding 14,800    
Exercise Price $ 32.35    
Remaining Life (In Years) 1 year 18 days    
Options Exercisable 14,800    
Exercise Price $ 32.35    
Exercise Price $33.25 [Member]
      
Note 13 - Stock Option Plan (Details) - Outstanding Stock Options [Line Items]      
Outstanding 15,000    
Exercise Price $ 33.25    
Remaining Life (In Years) 116 days    
Options Exercisable 15,000    
Exercise Price $ 33.25