Annual report pursuant to Section 13 and 15(d)

Permit and Other Intangible Assets (Tables)

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Permit and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets

The following table summarizes changes in the carrying amount of permits. No permit exists at our Services and Medical Segments.

 

Permit (amount in thousands)   Treatment  
Balance as of December 31, 2015   $ 16,761  
PCB permit amortized (1)     (55 )
Permit in progress     56  
Permit impairment for M&EC subsidiary     (8,288 )
Balance as of December 31, 2016     8,474  
PCB permit amortized (1)     (55 )
Balance as of December 31, 2017   $ 8,419  

 

(1) Amortization for the one definite-lived permit capitalized in 2009. This permit is being amortized over a ten year period in accordance with its estimated useful life. Net carrying value of this permit was approximately $62,000 and $117,000 as of December 31, 2017 and 2016, respectively.
Schedule of Finite-Lived Intangible Assets

The following table summarizes information relating to the Company’s definite-lived intangible assets:

 

          December 31, 2017     December 31, 2016  
    Useful     Gross           Net     Gross           Net  
    Lives     Carrying     Accumulated     Carrying     Carrying     Accumulated     Carrying  
    (Years)     Amount     Amortization     Amount     Amount     Amortization     Amount  
Intangibles (amount in thousands)                                          
Patent     1-17     $ 657     $ (306 )   $ 351     $ 577     $ (274 )   $ 303  
Software     3       410       (398 )     12       405       (383 )     22  
Customer relationships     12       3,370       (2,246 )     1,124       3,370       (1,974 )     1,396  
Permit     10       545       (483 )     62       545       (428 )     117  
Total           $ 4,982     $ (3,433 )   $ 1,549     $ 4,897     $ (3,059 )   $ 1,838  

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table summarizes the expected amortization over the next five years for our definite-lived intangible assets:

 

    Amount  
Year   (In thousands)  
       
2018   $ 336  
2019     254  
2020     218  
2021     198  
2022     173  
    $ 1,179