Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Statement of Financial Position [Abstract]
Accounts receivable, net of allowance for doubtful accounts	$ 174	$ 136
Preferred stock at par value	$ 0.01	$ 0.01
Preferred stock shares authorized	2,500,000	2,500,000
Common stock at par value	$ 0.01	$ 0.01
Common stock shares authorized	7,500,000	7,500,000
Public common stock at par value	$ 0.01	$ 0.01
Public common stock shares authorized	7,500,000	7,500,000
Public common stock shares issued	52,000	52,000
Public common stock shares outstanding	52,000	52,000