Schedule of unaudited comparative financial information (Details)	12 Months Ended
	Dec. 31, 2017 USD ($)
Transition Period Schedule Of Unaudited Comparative Financial Information 1	$ 5,500,589
Transition Period Schedule Of Unaudited Comparative Financial Information 2	3,500,516
Transition Period Schedule Of Unaudited Comparative Financial Information 3	(5,658,887)
Transition Period Schedule Of Unaudited Comparative Financial Information 4	(3,974,617)
Transition Period Schedule Of Unaudited Comparative Financial Information 5	(158,298)
Transition Period Schedule Of Unaudited Comparative Financial Information 6	(474,101)
Transition Period Schedule Of Unaudited Comparative Financial Information 7	(747,537)
Transition Period Schedule Of Unaudited Comparative Financial Information 8	(439,005)
Transition Period Schedule Of Unaudited Comparative Financial Information 9	(170,458)
Transition Period Schedule Of Unaudited Comparative Financial Information 10	(172,972)
Transition Period Schedule Of Unaudited Comparative Financial Information 11	(1,029,711)
Transition Period Schedule Of Unaudited Comparative Financial Information 12	(1,109,297)
Transition Period Schedule Of Unaudited Comparative Financial Information 13	0
Transition Period Schedule Of Unaudited Comparative Financial Information 14	(44,861)
Transition Period Schedule Of Unaudited Comparative Financial Information 15	(1,947,706)
Transition Period Schedule Of Unaudited Comparative Financial Information 16	(1,766,135)
Transition Period Schedule Of Unaudited Comparative Financial Information 17	(2,106,004)
Transition Period Schedule Of Unaudited Comparative Financial Information 18	(2,240,236)
Transition Period Schedule Of Unaudited Comparative Financial Information 19	2,006
Transition Period Schedule Of Unaudited Comparative Financial Information 20	9,000
Transition Period Schedule Of Unaudited Comparative Financial Information 21	43,392
Transition Period Schedule Of Unaudited Comparative Financial Information 22	36,839
Transition Period Schedule Of Unaudited Comparative Financial Information 23	(2,060,606)
Transition Period Schedule Of Unaudited Comparative Financial Information 24	(2,194,397)
Transition Period Schedule Of Unaudited Comparative Financial Information 25	(72,067)
Transition Period Schedule Of Unaudited Comparative Financial Information 26	0
Transition Period Schedule Of Unaudited Comparative Financial Information 27	(2,132,673)
Transition Period Schedule Of Unaudited Comparative Financial Information 28	$ (2,194,397)
Transition Period Schedule Of Unaudited Comparative Financial Information 29	(0.12)
Transition Period Schedule Of Unaudited Comparative Financial Information 30	(0.11)
Transition Period Schedule Of Unaudited Comparative Financial Information 31	$ 17,171,953
Transition Period Schedule Of Unaudited Comparative Financial Information 32	$ 19,745,873