Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Condensed Consolidated Balance Sheets
Common stock, authorized shares	200,000	138,500
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, issued shares	11,907	11,834
Common stock, outstanding shares	11,907	11,834