Quarterly Result of Operations (Unaudited)

12 Months Ended

Dec. 31, 2021

Quarterly Financial Information Disclosure [Abstract]

Quarterly Result of Operations (Unaudited)

QUARTERLY RESULT OF OPERATIONS (UNAUDITED)

Quarter ended	March 31, 2021		June 30, 2021		September 30, 2021		December 31, 2021
Sales	$	76,331	$	82,110	$	79,169	$	100,204
Gross profit	40,407		45,482		42,331		55,707
Net (loss) income (1)	(3,221)		(1,176)		(3,855)		(31,712)
Net (loss) income per share:
Basic	$	(0.18)	$	(0.06)	$	(0.21)	$	(1.74)
Diluted	$	(0.18)	$	(0.06)	$	(0.21)	$	(1.74)

(1)During 2021, in connection with the Restructuring Plan, we recorded a pre-tax charge of approximately $1.5 million during the first quarter 2021, $0.8 million during the second quarter, $1.4 million during the third quarter and $3.7 million during the fourth quarter primarily consisting of severance and related benefits, professional fees and other related charges.

Quarter ended	March 31, 2020		June 30, 2020		September 30, 2020		December 31, 2020
Sales (1)	$	79,515	$	60,564	$	70,736	$	92,953
Gross profit (2)	43,873		28,896		36,298		50,780
Net income (loss)	(14,823)		(8,932)		(3,024)		27,408
Net income (loss) per share:
Basic	$	(0.84)	$	(0.50)	$	(0.17)	$	1.53
Diluted	$	(0.84)	$	(0.50)	$	(0.17)	$	1.52

(1)For the second quarter of 2020, sales were reduced by an incremental $0.6 million sales adjustment related to our GSA Contracts based on the results of the Review conducted by our outside legal counsel and forensic accountants.

(2)During 2020, in connection with the Restructuring Plan, we recorded a pre-tax charge of approximately $13.7 million during the first quarter 2020, $0.6 million during the second quarter, $0.3 million during the third quarter and $1.2 million during the fourth quarter primarily consisting of severance and related benefits, professional fees and other related charges and costs including a non-cash expense of $0.4 million related to the disposal of our Photonics business and 3D Design related assets.