Quarterly report pursuant to Section 13 or 15(d)

Major Customers and Foreign Sales - Schedule of Revenues by Geographic Region (Details)

v3.22.0.1
Major Customers and Foreign Sales - Schedule of Revenues by Geographic Region (Details) - Net Revenues - Geographic Concentration Risk
3 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 100.00% 100.00%
United States    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 18.00% 19.00%
Other North America    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 9.00% 1.00%
Total North America    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 27.00% 20.00%
China    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 20.00% 24.00%
Malaysia    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 9.00% 3.00%
Taiwan    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 9.00% 32.00%
Other Asia    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 9.00% 9.00%
Total Asia    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 47.00% 68.00%
Germany    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 10.00% 2.00%
Austria    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 8.00% 1.00%
Other Europe    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 8.00% 9.00%
Total Europe    
Revenue, Major Customer [Line Items]    
Concentration risk, percentage 26.00% 12.00%