Capital Stock (Tables)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

Stock Compensation

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2020		2019		2020		2019
Cost and expenses applicable to revenues	$	130	$	448	$	530	$	1,268
Selling, general and administrative expenses		5,151		4,983		15,325		15,371
Research and development		29		96		114		277
	$	5,310	$	5,527	$	15,969	$	16,916

Stock-based Compensation by Plan Type

The following table summarizes the Company’s share-based compensation expense by each award type:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2020		2019		2020		2019
Stock Options	$	433	$	2,145	$	1,449	$	6,228
Restricted Share Units		3,430		2,933		10,866		9,175
Performance Stock Units		483		—		1,229		—
IMAX China Stock Options		600		86		701		230
IMAX China Long Term Incentive Plan Restricted Share Units		332		363		1,645		1,283
IMAX China Long Term Incentive Plan Performance Stock Units		32		—		79		—
	$	5,310	$	5,527	$	15,969	$	16,916

Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes the activity under the Company’s Stock Option Plan (“SOP”) and IMAX Amended and Restated Long Term Incentive Plan (as amended, “IMAX LTIP”) for the nine months ended September 30, 2020 and 2019:

	Number of Shares							Weighted Average Exercise Price Per Share
	2020			2019			2020			2019
Stock options outstanding, beginning of period		5,732,209			5,465,046		$		26.82	$	27.63
Granted		—			1,016,882				—		20.66
Exercised		—			(86,337	)			—		20.15
Forfeited		(23,633	)		(329,346	)			22.35		23.60
Expired		(772,665	)		(299,134	)			27.03		25.82
Cancelled		(18,483	)		(26,281	)			27.97		31.08
Stock options outstanding, end of period		4,917,428			5,740,830				26.80		26.82
Stock options exercisable, end of period		4,315,484			4,511,208				27.32		27.76

Restricted Stock Units Activity under the IMAX LTIP

The following table summarizes the activity in respect of RSUs issued under the IMAX LTIP for the nine months ended September 30, 2020 and 2019:

	Number of Awards						Weighted Average Grant Date Fair Value Per Share
	2020			2019				2020			2019
RSUs outstanding, beginning of period		1,065,347			1,033,871		$		23.17	$		25.70
Granted		1,050,385			649,389				15.35			22.33
Vested and settled		(386,451	)		(367,020	)			21.59			26.66
Forfeited		(54,933	)		(206,593	)			19.70			23.77
RSUs outstanding, end of period		1,674,348			1,109,647				18.75			23.77

Performance Stock Units Activity under the IMAX LTIP

The following table summarizes the activity in respect of PSUs issued under the IMAX LTIP for the nine months ended September 30:

	Number of Awards					Weighted Average Grant Date Fair Value Per Share
	2020			2019			2020			2019
Granted		370,265			—	$		15.66	$		—
Forfeited		(2,526	)		—			14.84			—
PSUs outstanding, end of period		367,739			—			15.67			—

Basic and Diluted Per-share Computations

The following table reconciles the denominator of the basic and diluted weighted average share computations:

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2020		2019			2020			2019
Weighted average number of common shares (000's):
Issued and outstanding, beginning of period		58,857		61,331			61,176			61,434
Weighted average number of shares repurchased, net of shares    issued during the period		2		(27	)		(1,816	)		(97	)
Weighted average number of shares used in computing basic    income per share		58,859		61,304			59,360			61,337
Assumed exercise of stock options, RSUs and PSUs, net of shares    assumed repurchased, if dilutive		—		175			—			172
Weighted average number of shares used in computing diluted    income per share		58,859		61,479			59,360			61,509