18. Restatement of financial statements (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Jun. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2012 As Previously Reported	Sep. 30, 2012 As Previously Reported	Sep. 30, 2012 Restated	Sep. 30, 2012 Restated	Sep. 30, 2012 Net Adjustment	Sep. 30, 2012 Net Adjustment
Consolidated Statement of Operations
Loss from operations	$ (1,555,152)	$ (3,426,250)	$ (11,973,949)	$ (8,221,091)	$ (3,426,250)	$ (8,221,091)	$ (3,426,250)	$ (8,221,091)
Other (income)/expenses
Fair value of derivative liabilities in excess of proceeds
Adjustments to fair value of derivative securities							(2,022,790)	13,845,208	(2,022,790)	13,845,208
Other (income)/expenses					(133,770)	626,926	(133,770)	626,926
Interest expense					172,057	469,848	52,313	104,431	(119,744)	(365,417)
Total other (income)/expenses	16,241	2,104,247	10,291,317	(14,576,565)	38,287	1,096,774	(2,104,247)	14,576,565	(2,142,534)	13,479,791
Net loss	(1,538,911)	(1,322,003)	(1,682,632)	(22,797,656)	(3,464,537)	(9,317,865)	(1,322,003)	(22,797,656)	2,142,534	(13,479,791)
Net loss attributed to non-controlling interests	(13,634)	84	(28,065)	(5,951)
Preferred dividends	$ 0	$ 119,744	$ 171,625	$ 365,417			$ 119,744	$ 365,417	$ 119,744	$ 365,417
Net loss attributable to common shareholders	$ (1,525,277)	$ (1,441,831)	$ (1,826,192)	$ (23,157,122)	$ (3,464,537)	$ (9,317,865)	$ (1,441,747)	$ (23,163,073)	$ 2,022,790	$ (13,845,208)
Basic and diluted loss attributable to common shareholders per share	$ 0.00	$ (0.02)	$ (0.01)	$ (0.26)	$ (0.04)	$ (0.10)	$ (0.02)	$ (0.26)	$ (0.02)	$ (0.16)
Basic weighted average shares outstanding					89,748,496	89,220,298	89,748,496	89,220,298
Fully-diluted weighted average shares outstanding	414,401,939	117,915,163	264,660,276	117,386,965	89,748,496	89,220,298	117,915,163	117,386,965	28,166,667	28,166,667