Leases - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Aug. 15, 2019	Apr. 01, 2019
Lessee Lease Description [Line Items]
Lease expiration year	2021
Operating lease, description	The Company’s two most significant active leases as of March 31, 2019 are for office and manufacturing space in Tucson, Arizona
Operating lease right-of-use assets	$ 621,429
Operating lease liabilities	920,142
Operating leases, rent expense		$ 148,097
Financing lease liabilities, net of discount	78,664
Financing lease liabilities, current	$ 39,604
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent
Financing lease liabilities, non current	$ 39,060
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Financing leases, right-of-use assets	$ 77,627
Scenario Forecast
Lessee Lease Description [Line Items]
Operating lease right-of-use assets			$ 123,000
Operating lease liabilities			$ 123,000
Subsequent Event
Lessee Lease Description [Line Items]
Operating lease right-of-use assets				$ 900,000
Operating lease liabilities				$ 900,000
Tucson, Arizona
Lessee Lease Description [Line Items]
Lease expiration year	2021