Related party transactions (Tables)

12 Months Ended

Dec. 31, 2015

Related party transactions

Schedule of amounts incurred to companies that are principally owned by executives, directors or stockholders of the Company or their families

	Year ended December 31,
	2015		2014		2013
Rent	$	90,887	$	503,995	$	422,882
Consulting and professional fees		1,929		9,103		56,986