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18. Commitments and contingencies
 6 Months Ended
Jun. 30, 2011
Commitments and Contingencies Disclosure [Text Block]
18. 
Commitments and contingencies

Office space rental

On May 1, 2009, the Company entered into a lease for approximately 1,800 square feet of office space in Santa Barbara, California for use as its executive offices.  This lease was amended on July 21, 2009 and expires on December 31, 2013 with a three-year renewal term available at an initial rent plus common area charges of $5,767 per month.

From prior to January 1, 2008 until May 2009, we leased approximately 1,800 square feet of space in Santa Barbara, California, for executive use at $4,000 per month under a lease which expired December 31, 2010.

Rent expense for the six months ended June 30, 2011 and 2010 was $46,458 and $97,033, respectively.  Rent expense for the three months ended June 30, 2011 and 2010 was $28,367 and $50,883, respectively.