EXHIBIT 12

AMENDED AND RESTATED JOINT FILING AGREEMENT

          The Joint Filing Agreement, dated May 30, 2008, by and among EnterAspen Limited, Sopris Partners Series A, of Sopris Capital Partners, L.P., Sopris Capital, LLC, Sopris Capital Advisors, LLC, Aspen Advisors LLC, and Nikos Hecht is hereby amended and restated as follows:

          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 other, except to the extent that he or it knows or has reason to believe that such information is accurate.

ENTERASPEN LIMITED
By:	ASPEN ADVISORS LLC
	Its Attorney-in-fact with respect to accounts managed by Aspen Advisors LLC
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Managing Member
By:	SOPRIS CAPITAL ADVISORS, LLC
	Its Attorney-in-fact with respect to accounts managed by Sopris Capital Advisors, LLC
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Managing Member
SOPRIS PARTNERS SERIES A, OF
SOPRIS CAPITAL PARTNERS, L.P.
By:	SOPRIS CAPITAL, LLC
	Its general partner
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Sole Member of the Managing Member

SOPRIS DP SERIES A, OF SOPRIS DP, L.P.
By:	SOPRIS CAPITAL, LLC
	Its general partner
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Sole Member of the Managing Member
THE RICHMOND FUND LP
By: Sopris Capital Advisors, LLC
Its: Attorney-in-Fact with respect to the account
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Managing Member
DQ LTD.
By: Sopris Capital Advisors, LLC
Its: Attorney-in-Fact with respect to the account
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Managing Member
ROVIDA HOLDINGS LIMITED
By: Sopris Capital Advisors, LLC
Its: Attorney-in-Fact with respect to the account
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Managing Member

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RR INVESTMENT COMPANY LTD.
By: Sopris Capital Advisors, LLC
Its: Attorney-in-Fact with respect to the account
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Managing Member
SOPRIS CAPITAL, LLC
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Sole Member of the Managing Member
SOPRIS CAPITAL ADVISORS, LLC
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Managing Member
ASPEN ADVISORS LLC
By:	/s/ Nikos Hecht
	Name: Nikos Hecht
	Title: Managing Member
/s/ Nikos Hecht
Nikos Hecht

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