LITIGATION - Additional Information (Detail) (USD $)	9 Months Ended
Sep. 30, 2012	May 04, 2012	Mar. 12, 2012
Agreement date	Mar. 12, 2012
Common stock, par value	$ 0.01		$ 0.01
Common Stock, offer price	$ 7.85
Common Stock, outstanding shares tendered	76.00%	90.00%
Merger Agreement to purchase common stock		Merger Sub exercised its option under the Merger Agreement to purchase a number of shares of Common Stock necessary for Merger Sub to own one share more than 90% of the outstanding Shares of Common Stock (the Top-Up Shares) at the Offer Price.

Mar. 12, 2012

$ 7.85

Merger Agreement to purchase common stock

Merger Sub exercised its option under the Merger Agreement to purchase a number of shares of Common Stock necessary for Merger Sub to own one share more than 90% of the outstanding Shares of Common Stock (the Top-Up Shares) at the Offer Price.