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Cash and Cash Equivalents
6 Months Ended
Jun. 30, 2013
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents [Text Block]
Cash and Cash Equivalents
 
As of June 30, 2013 and December 31, 2012, the Company had cash and cash equivalents of approximately $14.7 million and $13.7 million, respectively, including bank deposits of approximately $0.8 million and $0.8 million, respectively, covered by the Federal Deposit Insurance Corporation.