ISSUANCES OF EQUITY - Rights Agreement (Details) - Right Agreement [Member]	1 Months Ended
	Feb. 28, 2011 shares
ISSUANCES OF EQUITY
Number of shares of series A junior participating preferred stock which a holder is entitled to purchase upon exercise of the rights	0.001
Minimum
ISSUANCES OF EQUITY
Percentage of outstanding common stock to be acquired by potential acquirer	15.00%
Percentage of outstanding common stock that is tendered in an offer or exchanged under offer	15.00%