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Goodwill and Other Intangible Assets (Tables)
 6 Months Ended
Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill

Changes in the carrying values of goodwill for the six months ended June 30, 2016, were as follows (in thousands):

 

   T&D   Critical Power     
   Solutions   Solutions   Total 
   Segment   Segment   Goodwill 
Gross Goodwill:               
Balance as of January 1, 2016  $7,733   $3,311   $11,044 
Foreign currency translation   70    —    70 
Balance as of June 30, 2016  $7,803   $3,311   $11, 114 
Accumulated impairment losses:               
Balance as of January 1, 2016  $(976)  $—   $(976)
Foreign currency translation   (70)   —    (70)
Balance as of June 30, 2016  $(1,046)  $—   $(1,046)
                
    Net Goodwill  $6,757   $3,311   $10,068 

 
Schedule of intangible assets

Changes in the carrying values of intangible assets for the six months ended June 30, 2016, were as follows (in thousands):

 

   T&D
Solutions
Segment		   Critical Power
Solutions
Segment		   Total
Intangible
Assets		 
Balance as of January 1, 2016  $6,113   $3,843   $9,956 
Amortization   (257)   (620)   (877)
Foreign currency translation   9    —    9 
Balance as of June 30, 2016  $5,865   $3,223   $9,088 

 
Schedule of components Intangible Assets

The components of intangible assets as of June 30, 2016 are summarized below (in thousands):

                          
   Weighted
Average
Amortization
Years		   Gross
Carrying
Amount 		   Accumulated
Amortization		   Foreign
Currency
Translation		   Net Book
Value		 
Customer relationships   7   $7,089   $(2,908)  $—   $4,181 
Non-compete agreements   5    636    (329)   —    307 
Trademarks   (a)   2,061    (209)   12    1,864 
Distributor territory license   4    474    (178)   —    296 
Internally developed software   7    289    (62)   —    227 
Developed technology   10    492    (76)   —    416 
Technology-related industry accreditations   Indefinite    1,794    —    3    1,797 
Total intangible assets       $12,835   $(3,762)  $15   $9,088