Quarterly report pursuant to Section 13 or 15(d)

Revenue from Contracts with Customers (Narrative) (Details)

v3.22.0.1
Revenue from Contracts with Customers (Narrative) (Details) - USD ($)
Dec. 31, 2021
Sep. 30, 2021
Revenue from Contracts with Customers [Abstract]    
Contract liability $ 38,000 $ 132,000