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Note 10 - Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
(
10
)         Property, Plant and Equipment
 
Property, plant and equipment consists of the following (in thousands):
 
   
December 31,
  
   
2017
    
2016
  
Land and land improvements
   $
219
     $
219
  
Buildings and building improvements
    
11,140
      
10,056
  
Machinery, equipment, furniture and fixtures
    
49,726
      
76,495
  
Construction in progress
    
998
      
646
  
     
62,083
      
87,416
  
Accumulated depreciation
    
(46,509
 )    
(69,473
 )
    $
15,574
     $
17,943
  
 
Depreciation expense, including amortization of assets recorded under capital leases, totaled approximately
$3,884,000
and
$5,199,000
for the years ended
December 
31,
 
2017
and
2016,
respectively. Capital expenditures included in accounts payable or accrued liabilities were
not
material at
December 
31,
 
2017
and
2016,
respectively.
 
Included within p
roperty, plant and equipment were assets under capital leases as follows (in thousands):
 
   
December 31,
 
   
2017
    
2016
  
Buildings and building improvements
   $
2,987
     $
2,853
  
Machinery, equipment, furniture and fixtures
    
1,277
      
0
  
     
4,264
      
2,853
  
Accumulated depreciation
    
(548
 )    
(238
 )
    $
3,716
     $
2,615