Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2020
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit)	$ 1,127	$ (2,282)
Profit before tax	$ 4,359	$ 1,834
Effective income tax rate percentage	26.00%	(124.00%)	18.90%
Tax expense on pre-tax income		$ 700
Percentage of pretax income		36.00%
Possible reduction in long-term tax obligations	$ 100
Tax Years 2019 and 2020
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit)	$ (2,700)	$ (2,700)
Foreign Tax Authority | Her Majesty's Revenue and Customs (HMRC)
Operating Loss Carryforwards [Line Items]
Increase in UK corporate tax rate		$ (200)