Accrued Sales Taxes and Regulatory Fees (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Sales Tax and Regulated Fees [Abstract]

Summary of Accrued Sales Taxes and Regulatory Fees

A summary of accrued sales taxes and regulatory fees as of, and changes during the years ended December 31, 2012 and 2011 (in thousands):

	Accrued sales taxes and regulatory fees
January 1, 2011	$	739
Accrued sales taxes and regulatory fees	—
Settlements for sales taxes	(347		)
Taxes charged to customers to be remitted to taxing authorities	42
December 31, 2011	434
Accrued sales taxes and regulatory fees	(138		)
Settlements for sales taxes	(8		)
Taxes charged to customers to be remitted to taxing authorities	110
December 31, 2012	$	398