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3. Summary of Significant Accounting Policies (Details 2) - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Cash and cash equivalents $ 133,543 $ 123,683 $ 20,343
Certificates of deposit 250,414 249,147  
Fair Value, Inputs, Level 1 [Member]      
Cash and cash equivalents 133,543 123,683  
Certificates of deposit 250,414 249,147  
Restricted cash 76,012 75,754  
Total Assets fair value $ 459,969 $ 448,584