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OTHER CURRENT LIABILITIES
 12 Months Ended
Dec. 31, 2018
Other Liabilities, Current [Abstract]  
OTHER CURRENT LIABILITIES
OTHER CURRENT LIABILITIES
 
December 31,
 
2018
 
2017
 
(in thousands)
Accrued legal
$
1,827

 
$
2,202

Income taxes payable
204

 
219

Other current liabilities
1,163

 
1,475

Total other current liabilities
$
3,194

 
$
3,896