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26. COMMITMENTS AND CONTINGENCIES (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Disclosure of finance lease and operating lease by lessee [line items]  
Future minimum lease payments $ 994
2018  
Disclosure of finance lease and operating lease by lessee [line items]  
Future minimum lease payments 188
2019  
Disclosure of finance lease and operating lease by lessee [line items]  
Future minimum lease payments 165
2020  
Disclosure of finance lease and operating lease by lessee [line items]  
Future minimum lease payments 159
2021  
Disclosure of finance lease and operating lease by lessee [line items]  
Future minimum lease payments 155
2022  
Disclosure of finance lease and operating lease by lessee [line items]  
Future minimum lease payments 92
2023 and thereafter  
Disclosure of finance lease and operating lease by lessee [line items]  
Future minimum lease payments $ 235