Commitments and Contingencies - Minimum Lease Payments (Details) - USD ($)	Sep. 30, 2019	Jan. 01, 2019
Operating Leases
2019 (remaining three months)	$ 288,925
2020	1,172,759
2021	1,207,708
2022	1,243,934
2023	1,283,253
Thereafter	3,830,269
Total minimum lease payments	9,026,848
Less: Interest	(2,660,927)
Present value of lease liabilities	6,365,921	$ 6,659,725
Finance Leases
2019 (remaining three months)	300,825
2020	1,226,472
2021	674,806
2022	86,544
Total minimum lease payments	2,288,647
Less: Interest	(162,018)
Present value of lease liabilities	2,126,629	$ 2,464,970
Total
2019 (remaining three months)	589,750
2020	2,399,231
2021	1,882,514
2022	1,330,478
2023	1,283,253
Thereafter	3,830,269
Total minimum lease payments	11,315,495
Less: Interest	(2,822,945)
Present value of lease liabilities	$ 8,492,550