CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Mar. 31, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, non-convertible shares authorized	32,000,000	32,000,000
Common stock, shares issued	15,335,605	15,298,947
Common stock, shares outstanding	15,335,605	15,298,947