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15. Parent Company Financial Statements (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Selling, general and administrative expenses | $ 17,424 | $ 16,085
Operating loss | (4,931) | (10,926)
Other expense |  |
Interest expense | 25,755 | 25,690
Other (income) expense | 797 | 1,245
Loss before income taxes | (38,346) | (36,280)
Income tax expense | (1,131) | (7)
Net loss | (39,477) | (36,287)
Other comprehensive loss |  |
Foreign currency translation adjustment | (249) | (672)
Comprehensive loss | (39,726) | (36,959)
Parent Company Financial Statements |  |
Equity in subsidiary losses | (21,745) | (29,009)
Selling, general and administrative expenses | 6,673 | 8,742
Operating loss | (28,418) | (37,751)
Other expense |  |
Interest expense | 1,392 | 1,281
Other (income) expense | 5,899 | (6,023)
Loss before income taxes | (35,709) | (33,009)
Income tax expense | 7 | 7
Net loss | (35,716) | 33,016
Other comprehensive loss |  |
Foreign currency translation adjustment | (249) | (672)
Comprehensive loss | $ (35,965) | $ (33,688)

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