In the table below, we present our quarterly results of operations for 2020 and 2019. The unaudited quarterly results have been prepared on substantially the same basis as the audited Consolidated Financial Statements.

	Quarter Ended
	Mar 31, 2019			Jun 30, 2019			Sep 30, 2019		Dec 31, 2019			Mar 31, 2020		Jun 30, 2020			Sep 30, 2020			Dec 31, 2020
	(In thousands, except per share data)
Statements of Income Data:
Revenue:
Cloud subscriptions	$	7,859		$	9,009		$	14,242	$	15,721		$	17,260	$	18,503		$	21,064		$	23,003
Software license		12,414			11,721			15,486		9,234			9,735		5,681			13,233			9,635
Maintenance		36,099			37,323			37,763		38,045			35,744		35,898			37,305			38,801
Services		88,631			93,951			91,626		86,308			87,406		71,778			73,470			70,915
Hardware		3,401			2,337			3,158		3,621			3,758		3,770			4,685			4,728
Total revenue		148,404			154,341			162,275		152,929			153,903		135,630			149,757			147,082
Costs and expenses:
Cost of software license		592			623			748		663			555		591			527			1,221
Cost of cloud subscriptions, maintenance and services		66,578			70,955			73,618		71,190			74,276		62,434			64,672			65,611
Research and development		21,213			21,997			22,614		21,784			23,328		19,931			20,454			20,563
Sales and marketing		14,781			14,520			12,125		15,434			13,088		9,709			11,399			13,562
General and administrative		15,050			16,805			16,236		16,512			16,114		14,016			15,536			15,778
Depreciation and amortization		1,914			1,859			1,937		2,277			2,346		2,257			2,193			2,150
Total costs and expenses		120,128			126,759			127,278		127,860			129,707		108,938			114,781			118,885
Operating income		28,276			27,582			34,997		25,069			24,196		26,692			34,976			28,197
Other (loss) income, net		(371	)		(71	)		810		(215	)		1,420		(158	)		(891	)		(656	)
Income before income taxes		27,905			27,511			35,807		24,854			25,616		26,534			34,085			27,541
Income tax provision		6,933			6,586			8,700		8,096			3,086		7,330			9,119			7,001
Net income	$	20,972		$	20,925		$	27,107	$	16,758		$	22,530	$	19,204		$	24,966		$	20,540
Basic earnings per share	$	0.32		$	0.32		$	0.42	$	0.26		$	0.35	$	0.30		$	0.39		$	0.32
Diluted earnings per share	$	0.32		$	0.32		$	0.42	$	0.26		$	0.35	$	0.30		$	0.39		$	0.32
Shares used in computing basic earnings per share		64,909			64,623			64,247		63,822			63,592		63,509			63,524			63,527
Shares used in computing diluted earnings per share		65,204			65,093			64,992		64,807			64,342		64,126			64,427			64,484