Accrued Expenses
 12 Months Ended
Dec. 31, 2016
Payables and Accruals [Abstract]  
Accrued Expenses

8.  Accrued Expenses

 

Accrued expenses at December 31, 2016 and 2015 consist of (in thousands):

 

 

 

 

 

 

 

 

 

 

    

2016

    

2015

 

Accrued payroll and compensation related costs

 

$
1,924

 

$
3,896

 

Accrued accounts payable

 

 
2,044

 

 
2,444

 

Accrued sales and other taxes

 

 
2,508

 

 
1,490

 

Accrued litigation

 

 
1,008

 

 
1,077

 

Accrued other

 

 
1,035

 

 
945

 

Total

 

$
8,519

 

$
9,852