Goodwill Goodwill Reconciliation (Details) - USD ($)	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Goodwill, Purchase Accounting Adjustments	$ 1,300,000
Goodwill, Translation and Purchase Accounting Adjustments	0	$ (1,300,000)
Coininvest and European Precious Metals Trading [Member]
Business Acquisition [Line Items]
Goodwill, Acquired During Period	2,200,000
Fillmore Advisors, LLC [Member]
Business Acquisition [Line Items]
Goodwill, Acquired During Period	$ 1,900,000