Note 6. Leases - Leases Textuals (Details) - USD ($)	3 Months Ended
	Dec. 31, 2019	Sep. 30, 2019
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract	7 years
Finance Lease, Liability	$ 0
Operating Lease, Impairment Loss, Right-of-Use Asset		$ 2,200,000
Lease, Practical Expedient, Use of Hindsight [true false]	false
Lease, Practical Expedients, Package [true false]	true
Lease, Practical Expedient, Land Easement [true false]	false
Lessee, Operating Lease, Lease Liability Not Yet Commenced	$ 1,600,000
Lessee, Operating Lease, Right of Use Asset, Not Yet Commenced	$ 1,600,000