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5. Fixed assets
 12 Months Ended
Dec. 31, 2015
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
5. Fixed assets

The components of fixed assets, net are:

   
December 31,
(In thousands)
 
2015
   
2014
Tooling, machinery and equipment
  $ 10,836     $ 10,620
Furniture and office equipment
    1,578       1,489
Computer software and equipment
    6,037       6,132
Leasehold improvements
    2,318       1,952
      20,769       20,193
Less: Accumulated depreciation and amortization
    (18,336)       (17,858)
      2,433       2,335
Construction in-process
    74       103
    $ 2,507     $ 2,438