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Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Accrued Expenses    
Compensation $ 2,107 $ 1,811
Benefits / self-insurance reserve 250 411
Paid time off 965 921
Commissions payable 319 164
Unrecognized tax benefits (including interest and penalties) (see Note 9) 315 425
Other 1,418 1,490
Accrued expenses $ 5,374 $ 5,222