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Note 4 - Property and Equipment
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment Disclosure [Text Block]
4.    Property and Equipment

Property and equipment is stated at cost and is depreciated using the straight-line method over the estimated useful lives of the related assets and consists of the following (in thousands):

   
December 31,
 
   
2012
   
2011
 
Equipment (useful life 3 - 15 years)
  $ 5,963     $ 5,831  
Tooling (useful life 2 - 5 years)
    2,600       2,440  
Furniture and fixtures (useful life 5 years)
    132       129  
Computer software (useful life 3 years)
    462       431  
Leasehold improvements (the shorter of useful life or lease life)
    633       630  
Construction in progress
    50       27  
Property and equipment at cost
    9,840       9,488  
Less: accumulated depreciation
    (8,040 )     (7,383 )
Property and equipment, net
  $ 1,800     $ 2,105  

Depreciation expense was $637 thousand, $589 thousand and $790 thousand for the years ending December 31, 2012, 2011 and 2010, respectively.

As a result of the Company’s efforts to reduce overhead costs and in conjunction with the renegotiation efforts related to the lease at its Solon, Ohio office, which expired April 30, 2011, the decision was made to relocate Solon, Ohio commercial products manufacturing operations to its facilities in Mexico and California.  This decision would enable the Company to reduce the square footage of the premises leased and strategically align the products segment of the Company which is located in California.  As a result of these strategic changes, the Company performed an evaluation of its property, plant and equipment at the Solon office as of December 31, 2010, as this strategic change created a “triggering event” necessitating such a review.  In performing this review, the Company obtained quoted market prices for similar assets while also considering market demand for these assets.  As a result of this review, the Company recorded an impairment charge of $156 thousand, which represented the difference between the fair value of the asset group and its carrying value and is included in the Consolidated Statements of Operations under the caption “Loss on Impairment.”