v2.4.0.6
3. Interest, Advances and Promissory Notes Payable (Detail) - Interest Payable (USD $)
Mar. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Relatives of directors $ 663,254 $ 586,697  
Non-related parties 1,032,585 982,624  
$ 1,695,839 $ 1,569,321 $ 1,930,695