Related Party Transactions / Balances (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Due to Related Parties, Current	$ 14,534	$ 71,340
A company controlled by a Director [Member]
Related Party Transaction, Amounts of Transaction	0	0	131,355
Officers [Member]
Repayments of Related Party Debt	0	321,993	0
Officers [Member] | Consulting services [Member]
Related Party Transaction, Amounts of Transaction	996,520	1,023,410	919,186
Due to Related Parties, Current	14,534	71,340	46,493
Officers [Member] | Bonus [Member]
Related Party Transaction, Amounts of Transaction	20,000	373,000	15,900
Due to Related Parties, Current	400,000	500,000
Non-executive directors [Member]
Related Party Transaction, Amounts of Transaction	$ 174,000	$ 161,240	$ 159,000