Revenue Recognition (Tables)

3 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Contract Assets and Contract Liabilities

The following table summarizes the balances of the Company's unbilled receivables (contract assets), which are reported in Other current assets, and its customer advances (contract liabilities), which are reported in Accrued expenses.     

	Sept 30, 2021			Dec 31, 2021
Unbilled receivables (contract assets)		$	528		527
Customer advances (contract liabilities)		(730)			(851)
Net contract liabilities		$	(202)		(324)