Debt - Schedule of Foreign Subsidiary Borrowings (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Line of Credit Facility [Line Items]
Less – current maturities	$ (7,847)	$ (9,566)
Total long-term debt	3,558	2,669
Foreign subsidiary borrowings
Line of Credit Facility [Line Items]
Total debt	5,866	6,632
Less – current maturities	(2,837)	(4,551)
Total long-term debt	3,029	2,081
Receivables pledged as collateral	491	485
Term loan | Foreign subsidiary borrowings
Line of Credit Facility [Line Items]
Total debt	3,890	3,127
Short-term borrowings | Foreign subsidiary borrowings
Line of Credit Facility [Line Items]
Total debt	1,513	1,867
Factor | Foreign subsidiary borrowings
Line of Credit Facility [Line Items]
Total debt	$ 463	$ 1,638