Leases - Additional Information (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Lessee Lease Description [Line Items]
Lease expiration year		2023
Operating lease, description		The Company’s most significant active leases as of September 30, 2019 are for office and manufacturing space in Tucson, Arizona
Operating leases, rent expense	$ 143,158		$ 434,413
Financing lease liabilities, net of discount		$ 57,520
Financing lease liabilities, current		$ 34,011
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]		us-gaap:OtherLiabilitiesCurrent
Financing lease liabilities, non current		$ 23,509
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]		us-gaap:OtherLiabilitiesNoncurrent
Financing leases, right-of-use assets		$ 55,891
Tucson, Arizona
Lessee Lease Description [Line Items]
Lease expiration year		2021
San Carlos, California
Lessee Lease Description [Line Items]
Lease expiration year		2023