14. Stockholders' deficit - Stockholders Deficit (Details) - USD ($) $ / shares in Units, None in scaling factor is -9223372036854775296	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Equity [Abstract]
Beginning balance, shares	$ 6,780,000	$ 6,780,000
Beginning Balance, weighted average exercise price	$ 0.139	$ 0.139
Options Granted, shares
Options granted, price
Options Cancelled, shares
Options cancelled, price
Options Exercised, shares
Options Exercised, price