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Note 8 - Comprehensive Income (Loss) (Tables)
 12 Months Ended
Dec. 31, 2013
Disclosure Text Block [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
   

Unrealized gains and

losses on available-for-sale securities

 
   

(in thousands)

 
         

Balance at December 31, 2012, net of tax of $2,592

  $ 4,235  
         

Other comprehensive income before reclassifications, net of tax of $1,298

    2,122  

Amounts reclassified from accumulated other comprehensive income, net of tax of $(120)

    (197 )

Net current-period other comprehensive income

    1,925  
         

Balance at December 31, 2013, net of tax of $3,770

  $ 6,160  
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Details about Accumulated Other

Comprehensive Income Component

 

Amounts Reclassified

from Accumulated

Other Comprehensive Income (a)

 

Statement of Operations

Classification

   

(in thousands)

   

Unrealized gains and losses on available-for-sale securities:

         

Realized gain on sale of securities

  $ 346  

Non-operating income

Impairment expense

    (29 )

Non-operating income

Total before tax

    317  

Income before income taxes

Tax expense

    (120 )

Income tax expense

Total after tax

  $ 197  

Net income