Supplemental Financial Information (Tables)

6 Months Ended

Jun. 30, 2022

Supplemental Financial Information [Abstract]

Summary of Activity in Allowance for Doubtful Accounts

The following table summarizes activity in the allowance for doubtful accounts for the three and six months ended June 30, 2022 and 2021:

(in thousands)	Three months ended June 30,						Six Months ended June 30,
	2022			2021			2022			2021
Balance at beginning of period	$	(850	)	$	(535	)	$	(930	)	$	(405	)
Uncollectible accounts (charged) credited to expense		(649	)		(158	)		(569	)		(288	)
Uncollectible accounts written off (recovered)		—			(3	)		—			(3	)
Balance at end of period	$	(1,499	)	$	(696	)	$	(1,499	)	$	(696	)

Summary of Inventories

(in thousands)	June 30, 2022		December 31, 2021
Raw materials	$	534	$	433
Work-in-process		21		16
Finished Goods		—		—
Total Inventories	$	555	$	449

Summary of Property and Equipment, Net

(in thousands)	June 30, 2022			December 31, 2021
Advanced manufacturing machinery & quality equipment	$	5,772		$	5,705
Software		4,894			2,912
Computer & office hardware		1,226			1,149
Furniture and fixtures		235			39
Leasehold improvements		3,377			3,048
Construction in-progress		711			-
Total property, plant and equipment		16,215			12,853
Accumulated depreciation and amortization		(4,692	)		(3,325	)
Property, plant and equipment (net)	$	11,523		$	9,528