Settlement Agreement (Details) - USD ($)		9 Months Ended
	Aug. 07, 2019	Sep. 30, 2019	Sep. 30, 2018
Loss Contingencies [Line Items]
Litigation settlement amount	$ 3,700,000
Settlement expense		$ 430,000	$ 1,030,000
Confidential Settlement Agreement
Loss Contingencies [Line Items]
Litigation settlement amount			$ 1,000,000
Settlement Agreement with All Parties
Loss Contingencies [Line Items]
Settlement expense		$ 400,000