5. Other assets - Other Assets (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Debt issuance costs	$ 100,360	$ 10,916
Deposits	12,345	11,695
Other Assets	$ 112,705	$ 22,611