Accounts Payable and Accrued Expenses

12 Months Ended

Dec. 31, 2014

Payables And Accruals [Abstract]

Accounts Payable and Accrued Expenses

10. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses at December 31 were:

	2014		2013
Accounts payable	$	22,790	$	10,341
Accrued expenses		18,809		14,031
Total accounts payable and accrued expenses	$	41,599	$	24,372

Accrued expenses consist primarily of costs incurred for which we have not yet been invoiced, accrued sales taxes, accrued property taxes, and amounts due to our E9-1-1 customers that we have billed and collected from regulating agencies on their behalf under cost recovery arrangements.