KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Jong S. Whang, Bradley C. Anderson and Robert T. Hass, and each of them, his true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign any and all amendments to this registration statement, and to file the same, with all exhibits thereto, and other documents in connection therewith with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, and fully and to all intents and purposes as he might or could do in person hereby ratifying and confirming all that said attorney-in-fact and agents, or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

 

Signature			Title	Date
			Chief Executive Officer and
	/s/ Jong S. Whang		Director (Principal Executive	August 4, 2010
	Jong S. Whang		Officer)
			Vice President -- Finance, Chief
			Financial Officer, Treasurer and
	/s/ Bradley C. Anderson		Secretary (Principal Financial	August 4, 2010
	Bradley C. Anderson		Officer)
	/s/ Robert T. Hass		Chief Accounting Officer (Principal	August 4, 2010
	Robert T. Hass		Accounting Officer)
	/s/ Michael Garnreiter		Director	August 4, 2010
	Michael Garnreiter
	/s/ Alfred W. Giese		Director	August 4, 2010
	Alfred W. Giese
	/s/ Egbert Jan Geert Goudena		Director	August 4, 2010
	Egbert Jan Geert Goudena
	/s/ Jeong Mo Hwang		Director	August 4, 2010
	Jeong Mo Hwang
	/s/ Robert F. King		Director	August 4, 2010
	Robert F. King