16. Stockholders' deficit - Options Outstanding (Details) - Options	3 Months Ended
	Mar. 31, 2017 $ / shares shares
Beginning balance, options	480,000
Beginning balance, options exercise price | $ / shares	$ 0.12
Options Exercisable, shares	480,000
Ending Balance, options	480,000
Ending Balance, options exercise price | $ / shares	$ 0.12
Weighted Average Contractual Life, options	2 years 7 months 2 days