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INCOME TAXES (Tables)
 9 Months Ended
Sep. 30, 2019
Income Tax Disclosure [Abstract]  
Schedule of income tax provisions
Income tax provisions consisted of the following (in thousands, except for effective tax rate percentage):

 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
2019
 
2018
 
2019
 
2018
Income (loss) before provision for income taxes
$
(1,299
)
 
$
(4,618
)
 
$
(20,823
)
 
$
57,798

Provision for income taxes
$
(88
)
 
$
(22
)
 
$
(200
)
 
$
(313
)
Effective tax rate
(6.8
)%
 
(0.5
)%
 
(1.0
)%
 
0.5
%