CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Accounts receivable, allowances for doubtful accounts (in dollars)	$ 592	$ 476
Series A redeemable preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Series A redeemable preferred stock, Authorized shares	70,000	70,000
Series A redeemable preferred stock, issued shares	34,999.5	34,999.5
Series A redeemable preferred stock, outstanding shares	34,999.5	34,999.5
Series A redeemable preferred stock, liquidation preference (in dollars)	$ 68,670	$ 66,161
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, Authorized shares	2,300	2,300
Common Stock Class A
Common stock, Authorized shares	2,000	2,000
Common stock, issued shares	1,000	1,000
Common stock, outstanding shares	1,000	1,000
Common Stock Class B
Common stock, Authorized shares	300	300
Common stock, issued shares	0	0
Common stock, outstanding shares	0	0