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Accrued expenses and other current liabilities
3 Months Ended
Mar. 31, 2018
Payables and Accruals [Abstract]  
Accrued expenses and other current liabilities
Accrued expenses and other current liabilities
Accrued expenses and other current liabilities as of March 31, 2018, December 31, 2017 and March 31, 2017 consisted of the following (in thousands):
 
March 31, 2018
 
December 31, 2017
 
March 31, 2017
Accrued expenses
$
4,329

 
$
9,422

 
$
5,760

Other current liabilities
1,766

 
1,894

 
4,768

Accrued compensation
2,418

 
3,998

 
2,274

Income taxes payable
375

 
625

 
3,621

Accrued expenses and other current liabilities
$
8,888

 
$
15,939

 
$
16,423