15. Commitments and contingencies (Details) (USD $)	Sep. 30, 2013	Sep. 30, 2013 Notes payable	Jun. 30, 2013 Deferred salary	Sep. 30, 2013 Rent obligations	Jun. 30, 2013 Accrued board fees	Jun. 30, 2013 Consulting agreement	Jun. 30, 2013 Employee contracts: other	Jun. 30, 2013 Accrued interest
Contractual Obligation
Total	$ 6,639,723	$ 2,575,002	$ 1,425,365	$ 1,260,644	$ 584,761	$ 375,000	$ 211,358	$ 207,593
2013	5,931,816	2,575,002	1,425,365	677,737	584,761	250,000	211,358	207,593
2014	464,958	0	0	339,958	0	125,000	0	0
2015	242,949	0	0	242,949	0	0	0	0
Beyond 2015	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0