EXHIBIT A JOINT FILING AGREEMENT PURSUANT TO RULE 13D-1(k)

EXHIBIT A

JOINT FILING AGREEMENT

PURSUANT TO RULE 13D-1(k)

The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

XXXXXX CAPITAL MASTER FUND, LTD.			XXXXXX MANAGEMENT, LLC
a Cayman Islands exempted company			a Delaware limited liability company
By:	/s/ Xxxxxx X. Xxxxx		By:	/s/ Xxxxxx X. Xxxxx
	Xxxxxx X. Xxxxx, Director			Xxxxxx X. Xxxxx, Managing Member
Date:	August 10, 2010		Date:	August 10, 2010
XXXXXX CAPITAL LP
a Delaware limited partnership
By:  XXXXXX ADVISORS II, LLC			XXXXXX ADVISORS II, LLC
a Delaware limited liability company			a Delaware limited liability company
As its General Partner
By:	/s/ Xxxxxx X. Xxxxx		By:	/s/ Xxxxxx X. Xxxxx
	Xxxxxx X. Xxxxx, Managing Member			Xxxxxx X. Xxxxx, Managing Member
Date:	August 10, 2010		Date:	August 10, 2010
	/s/ Xxxxxx X. Xxxxx
	Xxxxxx X. Xxxxx, an individual
Date:	August 10, 2010