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Note 6 - Property, Plant and Equipment
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]

6.    PROPERTY, PLANT AND EQUIPMENT


Property, plant and equipment, net, consists of the following classes at December 31, 2013 and 2012:


(thousands)   2013     2012  

Land and improvements

  $ 1,637     $ 1,669  

Buildings and improvements

    29,663       26,692  

Machinery and equipment

    66,365       63,456  

Transportation equipment

    1,506       937  

Leasehold improvements

    1,889       1,716  

Property, plant and equipment, at cost

    101,060       94,470  

Less: accumulated depreciation and amortization

    (58,943 )     (57,401 )

Property, plant and equipment, net

  $ 42,117     $ 37,069  

For the years ended December 31, 2013 and 2012, no events or changes in circumstances occurred that required the Company to assess the recoverability of its property, plant and equipment, and therefore the Company did not recognize any impairment charges.