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Note 7 - Defined Benefit Plan
 3 Months Ended
Mar. 31, 2015
Compensation and Retirement Disclosure [Abstract]  
Pension and Other Postretirement Benefits Disclosure [Text Block]

Note 7: Defined Benefit Plan


Components of Net Periodic Benefit Cost


   

Pension Benefits

 
   

Three Months Ended March 31,

 
   

2015

   

2014

 

Service cost

  $ 155     $ 131  

Interest cost

    167       166  

Expected return on plan assets

    (292

)

    (278

)

Amortization of prior service cost

    (27

)

    (27

)

Recognized net actuarial loss

    104       65  

Net periodic benefit cost

  $ 107     $ 57  

2015 Plan Year Employer Contribution


Without considering the prefunding balance, the Company’s minimum required contribution to the National Bankshares, Inc. Retirement Income Plan (the “Plan”) is $0. Considering the prefunding balance, the 2015 minimum required contribution is $0. The Company elected to contribute $0 to the Plan during the three months ended March 31, 2015.