Debt - Schedule of Total Future Payments under Notes Payable and Related Party Notes Payable (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
2019	$ 2,293,533
2020	898,473
Total minimum payments	3,192,006
Current portion of notes payable	(2,293,533)
Notes payable, net of current portion	898,473
2019	30,080
2020	23,812
Total minimum payments	53,892
Current portion of notes payable	(30,080)
Debt discount on notes payable, noncurrent	23,812
Related Parties
Debt Instrument [Line Items]
2019	557,145
2020	505,851
Total minimum payments	1,062,996
Current portion of notes payable	(557,145)
Notes payable, net of current portion	505,851
Current portion of notes payable	(23,061)	$ 0
Debt discount on notes payable, noncurrent	18,256	$ 0
Third Parties
Debt Instrument [Line Items]
2019	169,541
2020	154,230
Total minimum payments	323,771
Current portion of notes payable	(169,541)
Notes payable, net of current portion	154,230
Foreign
Debt Instrument [Line Items]
2019	1,566,847
2020	238,392
Total minimum payments	1,805,239
Current portion of notes payable	(1,566,847)
Notes payable, net of current portion	$ 238,392