Convertible notes payable (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
Convertible Notes Payable [Member]
Total convertible notes payable	$ 1,886,865	$ 1,993,754	$ 1,311,163
Unamortized debt discount	(471,020)	(1,195,957)	$ (39,436)
Convertible notes payable, net	1,415,845	797,797
Convertible Notes Payable One [Member]
Total convertible notes payable	135,371	135,371
Convertible Notes Payable Two [Member]
Total convertible notes payable	50,000	50,000
Convertible Notes Payable Three [Member]
Total convertible notes payable	50,000	50,000
Convertible Notes Payable Four [Member]
Total convertible notes payable	17,500	17,500
Convertible Notes Payable Five [Member]
Total convertible notes payable	25,000	25,000
Convertible Notes Payable Six [Member]
Total convertible notes payable	29,700	29,700
Convertible Notes Payable Seven [Member]
Total convertible notes payable	25,300	25,300
Convertible Notes Payable Eight [Member]
Total convertible notes payable	22,000	22,000
Convertible Notes Payable Nine [Member]
Total convertible notes payable	140,750	140,750
Convertible Notes Payable Ten [Member]
Total convertible notes payable	140,750	140,750
Convertible Notes Payable Eleven [Member]
Total convertible notes payable		40,111
Convertible Notes Payable Twelve [Member]
Total convertible notes payable		52,565
Convertible Notes Payable Thirteen [Member]
Total convertible notes payable		227,735
Convertible Notes Payable Fourteen [Member]
Total convertible notes payable		223,422
Convertible Notes Payable Fifteen [Member]
Total convertible notes payable		239,200
Convertible Notes Payable Sixteen [Member]
Total convertible notes payable	8,750	120,750
Convertible Notes Payable Seventeen [Member]
Total convertible notes payable	150,000
Convertible Notes Payable Eighteen [Member]
Total convertible notes payable	45,000
Convertible Notes Payable Nineteen [Member]
Total convertible notes payable	215,000
Convertible Notes Payable Twenty [Member]
Total convertible notes payable	163,000
Convertible Notes Payable Twenty One [Member]
Total convertible notes payable	214,500
Convertible Notes Payable Twenty Two [Member]
Total convertible notes payable	54,500
Convertible Notes Payable Twenty Three [Member]
Total convertible notes payable		51,349
Convertible Notes Payable Twenty Four [Member]
Total convertible notes payable	105,750	120,750
Convertible Notes Payable Twenty Five [Member]
Total convertible notes payable	84,525
Convertible Notes Payable Twenty Six [Member]
Total convertible notes payable	34,500
Convertible Notes Payable Twenty Seven [Member]
Total convertible notes payable	52,969
Convertible Notes Payable Twenty Eight [Member]
Total convertible notes payable	63,000
Convertible Notes Payable Twenty Nine [Member]
Total convertible notes payable	59,000
Convertible Notes Payable Thirty [Member]
Total convertible notes payable		140,750
Convertible Notes Payable Thirty One [Member]
Total convertible notes payable		$ 140,750