8. Convertible notes payable - Convertible Notes Outstanding (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
Amount	$ 1,407,742
Number of Shares	8,542,106
Note 1
Amount	16,017
Issuance Date	Jun. 15, 2011
Conversion Price in USD	$ 0.10
Number of Shares	59,016
Effect on Dilution	0.24%
Maturity Date	Jun. 15, 2013
Note 2
Amount	7,869
Issuance Date	Jun. 15, 2011
Conversion Price in USD	$ 0.10
Number of Shares	78,688
Effect on Dilution	0.31%
Maturity Date	Jun. 15, 2013
Note 3
Amount	3,934
Issuance Date	Jun. 15, 2011
Conversion Price in USD	$ 0.10
Number of Shares	39,344
Effect on Dilution	0.16%
Maturity Date	Jun. 15, 2013
Note 4
Amount	196,720
Issuance Date	Jun. 24, 2011
Conversion Price in USD	$ 0.15
Number of Shares	1,311,467
Effect on Dilution	5.00%
Maturity Date	Jun. 24, 2013
Note 5
Amount	29,508
Issuance Date	Jun. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	196,720
Effect on Dilution	0.78%
Maturity Date	Jun. 30, 2013
Note 6
Amount	15,738
Issuance Date	Jun. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	104,917
Effect on Dilution	0.42%
Maturity Date	Jun. 30, 2013
Note 7
Amount	68,852
Issuance Date	Jun. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	459,013
Effect on Dilution	1.81%
Maturity Date	Jun. 30, 2013
Note 8
Amount	14,262
Issuance Date	Jun. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	95,081
Effect on Dilution	0.38%
Maturity Date	Jun. 30, 2013
Note 9
Amount	49,180
Issuance Date	Jun. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	327,867
Effect on Dilution	1.30%
Maturity Date	Jun. 30, 2013
Note 10
Amount	142,622
Issuance Date	Jun. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	950,813
Effect on Dilution	3.67%
Maturity Date	Jun. 30, 2013
Note 11
Amount	4,918
Issuance Date	Jul. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	32,787
Effect on Dilution	0.13%
Maturity Date	Jul. 30, 2013
Note 12
Amount	4,918
Issuance Date	Jul. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	32,787
Effect on Dilution	0.13%
Maturity Date	Jul. 30, 2013
Note 13
Amount	4,918
Issuance Date	Jul. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	32,787
Effect on Dilution	0.13%
Maturity Date	Jul. 30, 2013
Note 14
Amount	10,000
Issuance Date	Jul. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	66,667
Effect on Dilution	0.27%
Maturity Date	Jul. 30, 2013
Note 15
Amount	9,836
Issuance Date	Jul. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	65,573
Effect on Dilution	0.26%
Maturity Date	Jul. 30, 2013
Note 16
Amount	8,852
Issuance Date	Jul. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	59,016
Effect on Dilution	0.24%
Maturity Date	Jul. 30, 2013
Note 17
Amount	2,213
Issuance Date	Jul. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	14,754
Effect on Dilution	0.06%
Maturity Date	Jul. 30, 2013
Note 18
Amount	49,180
Issuance Date	Oct. 26, 2011
Conversion Price in USD	$ 0.10
Number of Shares	491,800
Effect on Dilution	1.93%
Maturity Date	Oct. 26, 2013
Note 19
Amount	98,360
Issuance Date	Oct. 31, 2011
Conversion Price in USD	$ 0.15
Number of Shares	655,733
Effect on Dilution	2.56%
Maturity Date	Oct. 31, 2013
Note 20
Amount	68,852
Issuance Date	Nov. 24, 2011
Conversion Price in USD	$ 0.15
Number of Shares	459,013
Effect on Dilution	1.81%
Maturity Date	Nov. 24, 2013
Note 21
Amount	14,754
Issuance Date	Nov. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	98,360
Effect on Dilution	0.39%
Maturity Date	Nov. 30, 2013
Note 22
Amount	14,754
Issuance Date	Nov. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	98,360
Effect on Dilution	0.39%
Maturity Date	Nov. 30, 2013
Note 23
Amount	23,213
Issuance Date	Nov. 30, 2011
Conversion Price in USD	$ 0.15
Number of Shares	154,753
Effect on Dilution	0.62%
Maturity Date	Nov. 30, 2013
Note 24
Amount	25,160
Issuance Date	Dec. 31, 2011
Conversion Price in USD	$ 0.15
Number of Shares	167,733
Effect on Dilution	0.67%
Maturity Date	Dec. 31, 2013
Note 25
Amount	19,672
Issuance Date	Dec. 31, 2011
Conversion Price in USD	$ 0.15
Number of Shares	131,147
Effect on Dilution	0.52%
Maturity Date	Dec. 31, 2013
Note 26
Amount	9,836
Issuance Date	Dec. 31, 2011
Conversion Price in USD	$ 0.15
Number of Shares	65,573
Effect on Dilution	0.26%
Maturity Date	Dec. 31, 2013
Note 27
Amount	22,131
Issuance Date	Dec. 31, 2011
Conversion Price in USD	$ 0.15
Number of Shares	147,540
Effect on Dilution	0.59%
Maturity Date	Dec. 31, 2013
Note 28
Amount	44,262
Issuance Date	Dec. 31, 2011
Conversion Price in USD	$ 0.15
Number of Shares	295,080
Effect on Dilution	1.17%
Maturity Date	Dec. 31, 2013
Note 29
Amount	49,180
Issuance Date	Dec. 31, 2011
Conversion Price in USD	$ 0.15
Number of Shares	327,867
Effect on Dilution	1.30%
Maturity Date	Dec. 31, 2013
Note 30
Amount	19,672
Issuance Date	Dec. 31, 2011
Conversion Price in USD	$ 0.15
Number of Shares	131,147
Effect on Dilution	0.52%
Maturity Date	Dec. 31, 2013
Note 31
Amount	14,754
Issuance Date	Dec. 31, 2011
Conversion Price in USD	$ 0.15
Number of Shares	98,360
Effect on Dilution	0.39%
Maturity Date	Dec. 31, 2013
Note 32
Amount	50,000
Issuance Date	Jan. 15, 2012
Conversion Price in USD	$ 0.20
Number of Shares	250,000
Effect on Dilution	0.99%
Maturity Date	Jan. 15, 2014
Note 33
Amount	9,836
Issuance Date	Jan. 24, 2012
Conversion Price in USD	$ 0.20
Number of Shares	49,180
Effect on Dilution	0.20%
Maturity Date	Jan. 24, 2014
Note 34
Amount	7,377
Issuance Date	Jan. 26, 2012
Conversion Price in USD	$ 0.20
Number of Shares	36,885
Effect on Dilution	0.15%
Maturity Date	Jan. 26, 2014
Note 35
Amount	29,508
Issuance Date	Jan. 31, 2012
Conversion Price in USD	$ 0.20
Number of Shares	147,540
Effect on Dilution	0.59%
Maturity Date	Jan. 31, 2014
Note 36
Amount	9,836
Issuance Date	Feb. 10, 2012
Conversion Price in USD	$ 0.20
Number of Shares	49,180
Effect on Dilution	0.20%
Maturity Date	Feb. 10, 2014
Note 37
Amount	98,360
Issuance Date	Mar. 04, 2012
Conversion Price in USD	$ 0.20
Number of Shares	491,800
Effect on Dilution	1.93%
Maturity Date	Mar. 04, 2014
Note 38
Amount	98,360
Issuance Date	Apr. 18, 2012
Conversion Price in USD	$ 0.45
Number of Shares	218,578
Effect on Dilution	0.87%
Maturity Date	Apr. 18, 2014
Note 39
Amount	$ 49,180
Issuance Date	May 31, 2012
Conversion Price in USD	$ 1.00
Number of Shares	49,180
Effect on Dilution	0.20%
Maturity Date	May 31, 2014