Capital Stock | 12 . Capital Stock ( a ) Stock-Based Compensation The compensation costs recorded in the condensed consolidated statement of operations for the Company's stock-based compensation plans were $5.1 million and $10.7 million for the three and six months ended June 30 , 2015 , respectively ( 2014 — $4.7 million and $7.9 million, respectively). As at June 30 , 2015 , the Company has reserved a total of 7,815,389 (December 31, 2014 — 9,173,106 ) common shares for future issuance under the Company's Stock Option Plan (“SOP”) and the IMAX 2013 Long-Term Incentive Plan (“IMAX LTIP”). Of the common shares reserved for issuance, there are options in respect of 5,594,136 common shares and restricted s tock units (“ RSUs ”) in resp ect of 757,528 common shares outstanding at June 30, 2015 . At June 30 , 2015 , options in respect of 3,054,774 common shares were vested and exercisable. Stock Option Plan The Company recorded an expense of $2.2 million and $6.1 million for the three and six months ended June 30 , 2015 , respectively ( 2014 — $2.2 million and $4.4 million, respectively), related to stock option grants issued to employees and directors in the IMAX LTIP and SOP plan s . An income tax benefit is recorded in the condensed consolidated statement s of operations of $0. 5 million and $1.3 million for the three and six months ended June 30, 2015 , respectively, for these costs. The weighted average fair value of all stock options, granted to employees and directors for the three and six months ended June 30 , 2015 at the grant date was n /a and $ 8.07 per share, respectively ( 2014 — n/a and $8.33 per share, respectively). The following assumptions were used to estimate the average fair value of the stock options: Three Months Ended June 30, Six Months Ended June 30, 2015 2014 2015 2014 Average risk-free interest rate n/a n/a 1.97% 2.50% Expected option life (in years) n/a n/a 3.55 - 5.76 4.48 - 5.82 Expected volatility n/a n/a 30.0% 37.5% Annual termination probability n/a n/a 0% - 9.50% 0% - 8.40% Dividend yield n/a n/a 0% 0% Stock o ptions to Non-Employees There were no common share options issued to non-employees during the three and six months ended June 30 , 2015 and 2014 . As at June 30 , 2015 , non-employee stock options outstanding amounted to 39,500 stock options ( 2014 — 54,251 ) with a weighted average exercise price of $26.78 ( 2014 — $13.71 ). 21,525 stock options ( 2014 — 41,576 ) were exercisable with an average weighted exercise price of $26.34 ( 2014 — $11.15 ) and the vested stock options have an aggregate intrinsic value of $0.3 million ( 2014 — $0.7 million ). For the three and six months ended June 30 , 2015 , the Company recorded a charge of less than $0.1 million and $0.1 million , respectively (2014 — less than $0.1 million and less than $0.1 million, respectively) to cost and expenses related to revenues − services and selling, general and administrative expenses related to the non-employee stock options. Included in accrued liabilities is an accrual of less than $0.1 million for non-employee stock options (December 31, 2014 − less than $0.1 million). China Long Term Incentive Plan (“C hina LTIP”) Each stock option issued under the China LTIP represents an opportunity to participate economically in the future growth and value creation of the IMAX China Holding, Inc. (“IMAX China”), a subsidiary of the Company . The China LTIP options issued by IMAX China (“China Options”) operate in tandem with options granted to certain employees of the IMAX China under the Company's SOP and IMAX LTIP (“Tandem Options”). In 2012 and 2014 , 146,623 and 39,823 Tandem Options , respectively, were granted to certain employees in conjunction with China Options with an average price of $22.39 per share and $28.52 per share, respectively, in accordance with the C hina LTIP. During the three and six months ended June 30, 2015, no additional Tandem Options were granted in conjunction with China Options . As at June 30, 2015 , there were 186 , 446 (December 31, 2014 — 1 8 6, 446 ) outstanding and unvested Tandem Options issued under the C hina LTIP with a weighted average exercise price of $23 . 70 per share (December 31, 2014 — $2 3.70 per share ). The Tandem Options have a maximum contractual life of 7 years. The total fair value of the Tandem Options granted with respect to the C hina LTIP wa s $1. 9 million. The Company is recognizing this expense over a 5 year period. If a performance event occurs, including upon the occurrence of a qualified initial public offering or upon a change in control on or prior to the fifth anniversary of the grant date, the 1 86 , 446 Tandem Options issued forfeit immediately and the re lated charge would be reversed. The Company has recorded an expense of $0.1 million and $0.2 million for the three and six months ended June 30, 2015 , respectively (June 30, 2014 — $0.1 million and $ 0. 2 million, respectively ) related to Tandem Options issued under the China LTIP . Stock Option Summary The following table summarizes certain information in respect of option activity under the SOP and IMAX LTIP for the six month periods ended June 30 : Weighted Average Exercise Number of Shares Price Per Share 2015 2014 2015 2014 Options outstanding, beginning of period 5,925,660 6,263,121 $ 24.24 $ 21.11 Granted 871,431 828,353 31.56 27.44 Exercised (1,172,331) (505,187) 19.49 5.26 Forfeited (30,624) (10,000) 27.82 18.98 Cancelled - (23,787) - 33.60 Options outstanding, end of period 5,594,136 6,552,500 26.35 23.09 Options exercisable, end of period 3,054,774 3,656,730 24.88 21.35 T he Company did not cancel any stock options from its SOP or IMAX LTIP ( 2014 — 17,787 and 23,787 , respectively ) surrendered by Company employees d uring the three and six months ended June 30 , 2015, respectively. As at June 30, 2015 , 5,378,444 options were fully vested or are expected to vest with a weighted average exercise price of $26.31 , aggregate intrinsic value of $75.1 million and weighted average remaining contractual life of 4.7 years . As at June 30 , 2015 , options that are exercisa ble have an intrinsic value of $47.0 million and a weighted average remaining contractual life of 4.2 years . The intrinsic value of options exercised in the three and six months ended June 30 , 2015 was $11.1 million and $20.2 million, respectively ( 2014 — $9.0 million and $11.1 million, respectively). Restricted Share Units RSUs have been granted to employees, consultants and directors under the IMAX LTIP. Each RSU represents a contingent right to receive one common share and is the economic equivalent of one common share. The grant date fair value of each RSU is equal to the share price of the Company's stock at the grant date. The Company recorded an expense of $2.8 million and $4.3 million for the three and six month period ended June 30, 2015, respectively (2014 — $2.4 million and $3.3 million, respectively), related to RSU grants issued to employees and directors in the plan. The annual termination probability assumed for the three and six months ended June 30, 2015 was 0% and ranged from 0% to 9.50 % , respectively. In addition, the Company recorded an expense of less than $0.1 million and less than $0.1 million for the three and six months ended June 30, 2015, respectively (2014 — less than $0.1 million and less than $0.1 million, respectively), related to RSU grants issued to certain advisors and strategic partners of the Company. During the three and six month period ended June 30, 2015 , in connection with the vesting of RSUs, the Company settled 41,939 and 159,732 , respectively, common shares to IMAX LTIP participants, of which 15, 276 and 21, 709 common shares, respectively (net of shares withheld of 218 and 218, respectively, for tax withholdings) were issued from treasury and 26,445 and 137,805 common shares , respectively were purchased in the open market by the IMAX LTIP trustee. As at June 30, 2015, a Company trustee held 29,664 shares purchased for $1.2 million in the open market to be issued upon vesting of certain RSU awards. The shares held with the trustee are recorded at cost and are reported as a reduction against capital stock on the Balance Sheet. Total stock-based compensation expense related to non-vested RSU's not yet recognized at June 30, 2015 and the weighted average period over which the awards are expected to be recognized is $ 17.2 million and 3.1 years. The Company's actual tax benefits realized for the tax deductions related to the vesting of RSUs was $0. 4 million and $ 1.6 million for the three and six months ended June 30, 2015, respectively. RSUs granted under the IMAX LTIP vest between immediately and four years from the grant date. Vesting of the RSUs is subject to continued employment or service with the Company. The following table summarizes certain information in respect of RSU activity under the IMAX LTIP for the six months ended June 30, 2015: Number of Awards Weighted Average Grant Date Fair Value Per Share 2015 2014 2015 2014 RSUs outstanding, beginning of period 595,834 264,140 $ 27.13 $ 26.14 Granted 333,096 482,588 34.37 27.41 Vested and settled (159,732) (104,612) 29.27 26.13 Forfeited (11,670) - 29.08 - RSUs outstanding, end of period 757,528 642,116 29.83 27.09 Issuer Purchases of Equity Securities On June 16, 2014, the Company's board of directors approved a new $150.0 million share repurchase program for shares of the Company's common stock . Purchases under the program commenced during the third quarter of 2014 . The share repurchase program expires on June 30, 2017. The repurchases may be made either in the open market or through private transactions, subject to market conditions, applicable legal requirements and other relevant factors. The Company has no obligation to repurchase shares and the share repurchase program may be suspended or discontinued by the Company at any time. No shares were repurchased in the three and six months ended June 30, 2015, respectively . ( b ) Income P er Share Reconciliations of the numerator and denominator of the basic and diluted per-share computations are comprised of the following: Three Months Six Months Ended June 30, Ended June 30, 2015 2014 2015 2014 Net income attributable to common shareholders $ 24,350 $ 13,307 $ 24,741 $ 13,886 Less: Accretion charges associated with redeemable common stock (262) (142) (484) (142) Net income applicable to common shareholders $ 24,088 $ 13,165 $ 24,257 $ 13,744 Weighted average number of common shares (000's): Issued and outstanding, beginning of period 69,586 67,957 68,988 67,841 Weighted average number of shares issued during the period 257 271 538 227 Weighted average number of shares used in computing basic income per share 69,843 68,228 69,526 68,068 Assumed exercise of stock options and RSUs, net of shares assumed repurchased 1,845 1,224 1,823 1,380 Weighted average number of shares used in computing diluted income per share 71,688 69,452 71,349 69,448 The calculation of diluted earnings per share excludes 416,902 and 495,537 shares, respectively that are issuable upon exercise of nil and nil RSUs, respectively and 416,902 and 495,537 stock options, respectively for the three and six months ended June 30, 2015, as the impact of these exercises would be antidilutive. The calculation of diluted earnings per share excludes 4,325,037 and 4,205,083 shares, respectively that are issuable upon exercise of 119,954 an d nil RSUs, respectively and 4, 205,083 stock options for the three and six months ended June 30, 2014 , as the impact of these exercises would be antidilutive. ( c ) Shareholders' Equity The following summarizes the movement of Shareholders' Equity for the six months ended June 30, 2015 : Balance as at December 31, 2014 $ 382,775 Net income attributable to Common Shareholders 24,741 Adjustments to capital stock: Cash received from the issuance of common shares 22,850 Issuance of common shares for vested RSUs 590 Fair value of stock options exercised at the grant date 9,945 Shares held in trust (1,214) Adjustments to other equity: Employee stock options granted 6,300 Non-employee stock options granted 75 Fair value of stock options exercised at the grant date (9,945) RSUs granted 4,262 RSUs vested (5,584) Utilization of windfall tax benefits from vested RSUs 239 Adjustments to accumulated deficit: Accretion charges associated with redeemable common stock (484) Adjustments to accumulated other comprehensive income: Unrealized net loss from cash flow hedging instruments (2,674) Realization of cash flow hedging net loss upon settlement 1,151 Foreign currency translation adjustments (185) Tax effect of movement in other comprehensive income 441 Balance as at June 30, 2015 $ 433,283 |