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Goodwill and Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2023
Goodwill and Intangible Assets [Abstract]  
Net Carrying Amount of Goodwill
The following table shows the gross carrying amount and impairment of goodwill:

(in thousands)

 
  
Goodwill
    
Accumulated
Impairment
    
Net
  

                 
Engineering
  
$
8,278
    
$
(3,370
)
  
$
4,908
  
Workforce Solutions
    
8,431
      
(7,977
)
    
454
  
Net book value at September 30, 2023
  
$
16,709
    
$
(11,347
)
  
$
5,362
  

(in thousands)

 
  
Goodwill
    
Accumulated
Impairment
    
Net
  

                 
Engineering
  
$
8,278
    
$
(3,370
)
  
$
4,908
  
Workforce Solutions
    
8,431
      
(7,040
)
    
1,391
  
Net book value at December 31, 2022
  
$
16,709
    
$
(10,410
)
  
$
6,299
  
Schedule of Acquired Finite-Lived Intangible Assets by Major Class
The following table shows the gross carrying amount and accumulated amortization of definite-lived intangible assets:
(in thousands)
  
As of September 30, 2023
  
   
Gross Carrying
Amount
    
Accumulated
Amortization
     Impairment    
Net
  
Amortized intangible assets:
                        
Customer relationships
  
$
8,628
    
$
(7,318
)
   $ (464 )  
$
846
  
Trade names
    
1,689
      
(1,261
)
     -      
428
  
Developed technology
    
471
      
(471
)
     -      
-
  
Non-contractual customer relationships
    
433
      
(433
)
     -      
-
  
Noncompete agreement
    
527
      
(514
)
     -      
13
  
Alliance agreement
    
527
      
(527
)
     -      
-
  
Others
    
167
      
(167
)
     -      
-
  
Total
  
$
12,442
    
$
(10,691
)
   $ (464 )  
$
1,287
  

(in thousands)
  
As of December 31, 2022
  
   
Gross Carrying
Amount
    
Accumulated Amortization
    
Impairment
    
Net
  
Amortized intangible assets:
                        
Customer relationships
  
$
8,628
    
$
(7,050
)
  
$
(464
)
  
$
1,114
  
Trade names
    
1,689
      
(1,196
)
    
-
      
493
  
Developed technology
    
471
      
(471
)
    
-
      
-
  
Non-contractual customer relationships
    
433
      
(433
)
    
-
      
-
  
Noncompete agreement
    
527
      
(486
)
    
-
      
41
  
Alliance agreement
    
527
      
(488
)
    
-
      
39
  
Others
    
167
      
(167
)
    
-
      
-
  
Total
  
$
12,442
    
$
(10,291
)
  
$
(464
)
  
$
1,687
  
Finite-Lived Intangible Assets, Future Amortization Expense The following table shows the estimated amortization expense of the definite-lived intangible assets for the next five years and thereafter:
 
(in thousands)
      
Years ended December 31:
      
2023 remainder
  
$
108
  
2024
    
332
  
2025
    
255
  
2026
    
204
  
2027
    
169
  
Thereafter
    
219
  
Total
  
$
1,287