Related party transactions (Tables)

6 Months Ended

Jun. 30, 2013

Related party transactions

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

	Three months ended June 30,				Six months ended June 30,
	2013		2012		2013		2012
Rent	$	88,524	$	125,196	$	166,154	$	250,655
Consulting and professional fees	18,418		11,822		39,790		26,884