Income Taxes - NOL (Details) - USD ($)	Sep. 30, 2022	Sep. 30, 2021
Net operating loss carryforwards
Tax credit	$ 4,097,000
Undistributed losses of foreign subsidiaries	66,094,000
Undistributed losses of foreign subsidiaries taxes	0
Uncertain tax positions	0	$ 0
State
Net operating loss carryforwards
Net operating loss carryforwards	14,557,000
Tax credit	5,193,000
Foreign
Net operating loss carryforwards
Net operating loss carryforwards	2,392,000
Net operating loss carryforward valuation allowance	$ 598,000