Schedule of Trade and Rent Receivables, Related Parties (Details)	6 Months Ended
	Jun. 30, 2012
Related Party Transactions And Balances Schedule Of Trade And Rent Receivables, Related Parties 1	2,756,205
Related Party Transactions And Balances Schedule Of Trade And Rent Receivables, Related Parties 2	2,766,665
Related Party Transactions And Balances Schedule Of Trade And Rent Receivables, Related Parties 3	0
Related Party Transactions And Balances Schedule Of Trade And Rent Receivables, Related Parties 4	631,666
Related Party Transactions And Balances Schedule Of Trade And Rent Receivables, Related Parties 5	0
Related Party Transactions And Balances Schedule Of Trade And Rent Receivables, Related Parties 6	200,262
Related Party Transactions And Balances Schedule Of Trade And Rent Receivables, Related Parties 7	834,751
Related Party Transactions And Balances Schedule Of Trade And Rent Receivables, Related Parties 8	472,401
Related Party Transactions And Balances Schedule Of Trade And Rent Receivables, Related Parties 9	3,590,956
Related Party Transactions And Balances Schedule Of Trade And Rent Receivables, Related Parties 10	4,070,994