Stock-Based Compensation and Stock Options (Tables)

3 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Fair Value of Options Granted

The following assumptions were used to estimate the fair value of options granted during the three months ended June 30, 2022 and 2021 using the Black-Scholes option-pricing model:

	Three Months Ended
	June 30, 2022	June 30, 2021
Risk-free interest rate	2.81%	0.81%
Expected volatility	36%	34%
Expected dividend yield	0.00%	0.00%
Expected weighted average life of option in years	4.3 years	4.4 years

Stock Compensation Expense for Time Based Options and Performance Based Options

The table below shows the amounts recognized in the unaudited consolidated financial statements for stock compensation expense for time-based options and performance-based options during the three months ended June 30, 2022 and 2021, respectively.

	Three Months Ended
	June 30, 2022			June 30, 2021
Cost of revenues	$	580,000		$	524,000
General and administrative		799,000			821,000
Total cost of stock-based compensation included in    income before income tax provision		1,379,000			1,345,000
Amount of income tax benefit recognized		(293,000	)		(244,000	)
Amount charged against net income	$	1,086,000		$	1,101,000
Effect on basic earnings per share	$	(0.06	)	$	(0.06	)
Effect on diluted earnings per share	$	(0.06	)	$	(0.06	)

Stock Options

The following table summarizes information for all stock options for the three months ended June 30, 2022 and 2021:

	Three Months Ended June 30, 2022					Three Months Ended June 30, 2021
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Options outstanding, beginning		723,876		$	84.55		937,158		$	64.28
Options granted		44,600			148.89		33,000			119.48
Options exercised		(43,739	)		42.69		(118,756	)		49.17
Options cancelled/forfeited		(2,394	)		121.79		(4,777	)		72.97
Options outstanding, ending		722,343		$	90.94		846,625		$	68.50

Stock Options Outstanding and Exercisable

The following table summarizes the status of stock options outstanding and exercisable at June 30, 2022:

Range of Exercise Price	Number of Outstanding Options		Weighted Average Remaining Contractual Life		Outstanding Options – Weighted Average Exercise Price		Exercisable Options – Number of Exercisable Options		Exercisable Options – Weighted Average Exercise Price
$22.07 to $59.32		213,617		2.32	$	48.76		187,864	$	48.03
$59.33 to $87.49		191,401		3.11		77.92		99,870		77.16
$87.50 to $148.89		221,425		3.67		105.87		51,057		94.44
$148.90 to $197.16		95,900		5.03		176.39		—		—
Total		722,343		3.30	$	90.94		338,791	$	63.61

Outstanding Options

The following table summarizes the status of all outstanding options at June 30, 2022, and changes during the three months then ended:

	Number of Options			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Value as of June 30, 2022
Options outstanding at April 1, 2022		723,876		$	84.55
Granted		44,600			148.89
Exercised		(43,739	)		42.69
Cancelled – forfeited		(2,394	)		121.79
Ending outstanding		722,343		$	90.94		3.30	$	43,555,855
Ending vested and expected to vest		657,869		$	89.54		3.32	$	40,212,900
Ending exercisable at June 30, 2022		338,791		$	63.61		2.55	$	28,342,859