16. Shareholders' Equity (Details 4) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Warrants Outstanding
Beginning Balance	7,943,523	12,169,852	10,269,852
Granted		5,010,000
Ending Balance	7,943,523	12,169,852	10,269,852
Range of Exercise Prices
Beginning Balance Minimum	$ 0.14	$ 0.14
Beginning Balance Maximum	$ 1.50	$ 3.50
Weighted Average Remaining Life in Years
Beginning Balance	3 years 2 months 6 days	2 years 4 months 24 days
Granted	4 years 6 months	5 years
Weighted Average Exercise Price
Beginning Balance	$ 0.46	$ 0.49	$ 0.94
Exercised
Granted	$ 0.36	$ 0.54
Ending Balance	$ 0.46	$ 0.49	$ 0.94
Weighted Average Remaining Life in Years
Beginning Balance	3 years 2 months 6 days	2 years
Granted	4 years 6 months
Warrant [Member]
Warrants Outstanding
Beginning Balance	132,285,242	59,530,245	2,472,676
Exercised
Ratchet-down impact	56,991,667
Granted	15,763,330	57,057,569
Ending Balance	132,285,242	59,530,245	2,472,676
Range of Exercise Prices
Beginning Balance Minimum	$ 0.65	$ 1.00
Beginning Balance Maximum	$ 2.00	$ 2.00
Exercised
Ratchet-down impact	0.30
GrantedMinimum	$ 0.30	$ 0.65
GrantedMaximum	$ 0.75	$ 1.00
Ending Balance Minimum	$ 0.30	$ 0.65
Ending Balance Maximum	$ 2.00	$ 2.00
Weighted Average Remaining Life in Years
Beginning Balance	3 years 6 months	4 years 4 months 24 days
Granted	4 years 7 months 6 days	4 years 6 months
Ending Balance	3 years 6 months	3 years 6 months
Weighted Average Exercise Price
Beginning Balance	$ 0.40	$ 2.00	$ 1.37
Exercised
Ratchet-down impact	$ 0.30
Granted	$ 0.38	$ 0.75
Ending Balance	$ 0.40	$ 2.00	$ 1.37
Warrants Exercisable
Beginning Balance	59,530,245	2,472,676
Exercised
Ratchet-down impact	56,991,667
Granted	10,388,330	57,057,569
Ending Balance	126,910,242	59,530,245
Weighted Average Remaining Life in Years
Beginning Balance	3 years 6 months	4 years 4 months 24 days
Granted	4 years 7 months 6 days	4 years 6 months
Ending Balance	3 years 6 months	3 years 6 months
Weighted Average Exercise Price
Beginning Balance	$ 2.00	$ 1.37
Exercised
Ratchet-down impact	$ 0.30
Granted		$ 0.75
Ending Balance	$ 0.38	$ 2.00