Other Balance Sheet Items - Accounts Payable and Accrued Expenses (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Balance Sheet Related Disclosures [Abstract]
Local Deals and Getaway Merchant payable included in accounts payable	$ 23,400,000	$ 16,000,000
Accrued Liabilities Current [Abstract]
Accrued advertising expense	2,059,000	1,148,000
Accrued compensation expense	3,879,000	2,923,000
Unexchanged promotional merger shares	3,000,000	0
Accrued payments to merchants	101,000	244,000
Other accrued expenses	2,038,000	1,103,000
Reserve for subscriber refunds	916,000	893,000
Total accrued expenses	$ 11,993,000	$ 6,311,000