Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Consolidated Balance Sheets
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized shares	1,000,000	1,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized shares	200,000,000	200,000,000
Common stock, shares issued	115,795,405	114,185,405
Common stock, shares outstanding	115,795,405	114,185,405