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Note 10 - Accrued Liabilities
 12 Months Ended
Dec. 31, 2013
Accrued Liabilities [Abstract]  
Accrued Liabilities [Text Block]

(10)    Accrued Liabilities


Accrued liabilities consist of the following (in thousands):


    December 31,   
   

2013

    2012  

Salaries, wages, employment taxes and withholdings

  $ 4,696     $ 3,385  

Employee benefit plans

    1,244       1,121  

Income, property and other taxes

    532       472  

Deferred revenue

    12,357       13,357  

Other

    4,977       3,653  
    $ 23,806     $ 21,988  

Included in other accrued liabilities are accrued operating expenses, accrued warranty expenses, accrued interest and other items, none of which exceed 5% of total current liabilities. Deferred revenue at December 31, 2013 and 2012 includes $8,657,000 and $8,000,000, respectively, related to the Dana settlement.