Major Customers and Foreign Sales - Schedule of Revenues by Geographic Region (Details) - Net Revenues - Geographic Concentration Risk	6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue, Major Customer [Line Items]
Concentration risk, percentage	100.00%	100.00%
United States
Revenue, Major Customer [Line Items]
Concentration risk, percentage	33.00%	21.00%
Canada
Revenue, Major Customer [Line Items]
Concentration risk, percentage	8.00%	3.00%
Other North America
Revenue, Major Customer [Line Items]
Concentration risk, percentage	5.00%	6.00%
Total Americas
Revenue, Major Customer [Line Items]
Concentration risk, percentage	46.00%	30.00%
China
Revenue, Major Customer [Line Items]
Concentration risk, percentage	13.00%	20.00%
Malaysia
Revenue, Major Customer [Line Items]
Concentration risk, percentage	9.00%	9.00%
Taiwan
Revenue, Major Customer [Line Items]
Concentration risk, percentage	5.00%	14.00%
Other Asia
Revenue, Major Customer [Line Items]
Concentration risk, percentage	9.00%	5.00%
Total Asia
Revenue, Major Customer [Line Items]
Concentration risk, percentage	36.00%	48.00%
Germany
Revenue, Major Customer [Line Items]
Concentration risk, percentage	2.00%	6.00%
Austria
Revenue, Major Customer [Line Items]
Concentration risk, percentage	6.00%	9.00%
Other Europe
Revenue, Major Customer [Line Items]
Concentration risk, percentage	10.00%	7.00%
Total Europe
Revenue, Major Customer [Line Items]
Concentration risk, percentage	18.00%	22.00%