Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Preferred Stock, par value	$ 0.001	$ 0.001
Preferred Stock, shares authorized	50,000,000	50,000,000
Common Stock, par value	$ 0.001	$ 0.001
Common Stock, shares authorized	100,000,000	100,000,000
Common Stock, shares issued	12,763,660	12,730,117
Common Stock, shares outstanding	12,713,260	12,679,717
Common Stock, unvested restricted share awards	2,207,345	2,597,620
Treasury Stock, shares	50,400	50,400
Series A Voting Convertible Preferred Stock
Preferred Stock, par value	$ 0.001	$ 0.001
Preferred Stock, shares authorized	1	1
Preferred Stock, shares issued	0	0
Preferred Stock, shares outstanding	0	0
Series B Voting Non-Convertible Preferred Stock
Preferred Stock, par value	$ 0.001	$ 0.001
Preferred Stock, shares authorized	4,983,557	4,983,557
Preferred Stock, shares issued	4,983,557	4,983,557
Preferred Stock, shares outstanding	4,983,557	4,983,557
Series C Junior Participating Preferred Stock
Preferred Stock, par value	$ 0.001	$ 0.001
Preferred Stock, shares authorized	10,000	10,000
Preferred Stock, shares issued	0	0
Preferred Stock, shares outstanding	0	0