13. Commitments and contingencies (Details) (USD $)	Sep. 30, 2012
Contractual Obligation
Total	$ 6,361,313
2013	6,236,313
2014	125,000
2015
2016
After 2016
Payroll, payroll tax and personnel
Contractual Obligation
Total	1,394,880
2013	1,394,880
2014
2015
2016
After 2016
Employee and consulting contracts
Contractual Obligation
Total	1,670,661
2013	1,545,661
2014	125,000
2015
2016
After 2016
Notes payable
Contractual Obligation
Total	2,752,999
2013	2,752,999
2014
2015
2016
After 2016
Legal judgments
Contractual Obligation
Total	90,732
2013	90,732
2014
2015
2016
After 2016
Rent obligations
Contractual Obligation
Total	452,041
2013	452,041
2015
2016
After 2016