Leases - Narrative (Details)	6 Months Ended
	Jun. 30, 2019 USD ($) renewal_option lease	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Monthly rent payments	$ 76,000
Annual rent increase, percentage	3.00%
Number of lease renewals | renewal_option	1
Renewal term	5 years
Number of subleases | lease	3
Decrease in operating lease right-of-use assets	$ (1,660,631)	$ (1,970,000)	$ 0
Accounting Standards Update 2016-02
Lessee, Lease, Description [Line Items]
Decrease in operating lease right-of-use assets		$ (487,000)