Contract Receivables (Tables)

12 Months Ended

Dec. 31, 2021

Contract Receivables [Abstract]

Contract Receivables

Recoverable costs and accrued profit not billed represent costs incurred and associated profit accrued on contracts that will become billable upon future milestones or completion of contracts. The components of contract receivables are as follows:

(in thousands)	December 31,
	2021			2020
Billed receivables	$	6,124		$	5,694
Unbilled receivables		6,143			5,160
Allowance for doubtful accounts		(1,010	)		(360	)
Total contract receivables, net	$	11,257		$	10,494

Allowance For Doubtful Account Rollforward

The activity in the allowance for doubtful accounts is as follows:

(in thousands)	As of and for the
	Years ended December 31,
	2021			2020
Beginning balance	$	360		$	458
Current year (recovery) provision		678			103
Current year write-offs		(28	)		(201	)
Ending balance	$	1,010		$	360