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Share-Based Compensation | 12 Months Ended
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Dec. 31, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Share-Based Compensation | 13. SHARE-BASED COMPENSATION Overview of Share-Based Compensation Plans The Company’s 2016 Incentive Compensation Plan (the “2016 Plan”) authorizes awards of stock options, stock appreciation rights, restricted stock, restricted stock units, deferred stock, performance units, annual incentive awards, and substitute awards, which generally may be settled in cash or shares of our common stock. Any shares of our common stock that are subject to awards of stock options or stock appreciation rights payable in shares will be counted as 1.0 share for each share issued for purposes of the aggregate share limit and any shares of our common stock that are subject to any other form of award payable in shares will be counted as 1.35 shares for each share issued for purposes of the aggregate share limit. As of December 31, 2019, there were approximately 1.7 million shares of common stock available for future share-based awards under the 2016 Plan, which is net of (i) 0.8 million shares issuable upon exercise of outstanding options and (ii) 2.5 million shares underlying restricted stock units, which will be settled in shares of our common stock if the vesting conditions are met and thus reduce the common stock available for future share-based awards under the 2016 Plan by the amount vested. These shares have been multiplied by the applicable factor under the 2016 Plan to determine the remaining shares available as of December 31, 2019. Additionally, as of December 31, 2019 under the Company’s previous 2008 Incentive Compensation Plan, there were approximately 1.6 million shares issuable upon exercise of outstanding options and 0.2 million shares underlying outstanding restricted and deferred stock units, which will be settled in shares of our common stock if the vesting conditions are met. This plan was replaced by the 2016 Plan effective May 24, 2016. The vesting of all types of equity awards (stock options, stock appreciation rights, restricted stock awards, restricted stock units and deferred stock units) is subject to possible acceleration in certain circumstances. Generally, if a plan participant terminates employment for any reason other than by death or disability during the vesting period, the right to unvested equity awards is forfeited. As of December 31, 2019, we estimate that compensation expense of approximately $26.0 million will be recognized over the next four years for all unvested share-based awards that have been granted to participants, including stock options, restricted stock units to be settled in shares of stock but excluding restricted stock units to be settled in cash and cash-based performance unit awards and excludes any estimates of forfeitures. This amount includes expenses associated with performance-based restricted stock unit awards granted in the fourth quarter of 2018 as the Company currently believes it is probable that it will meet the performance targets. Stock Options. The exercise price of stock options granted under each of the plans is equal to the fair market value of our common stock on the date of grant. Employee stock options generally become exercisable 25% per year over a four-year service period beginning on the date of grant and expire ten years from the date of grant. Non-employee directors’ stock options expire ten years from the date of grant and generally become 100% exercisable after the first anniversary of the grant date. Grants of stock options are generally only subject to the service conditions discussed previously. Stock option activity during the years ended December 31, 2019, 2018 and 2017 under our plans was as follows:
|  | Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value (in thousands) |
Outstanding as of December 31, 2016 |  |  | 3,085,888 |  |  | $ | 11.18 |  |  |  |  |  |  |
Granted |  |  | 365,709 |  |  |  | 8.67 |  |  |  |  |  |  |
Exercised |  |  | (288,618 | ) |  |  | 8.18 |  |  |  |  | $ | 250 |
Forfeited |  |  | (75,426 | ) |  |  | 6.97 |  |  |  |  |  |  |
Cancelled |  |  | (219,500 | ) |  |  | 29.67 |  |  |  |  |  |  |
Outstanding as of December 31, 2017 |  |  | 2,868,053 |  |  | $ | 9.86 |  |  |  |  |  |  |
Granted |  |  | 336,768 |  |  |  | 14.10 |  |  |  |  |  |  |
Exercised |  |  | (161,072 | ) |  |  | 8.46 |  |  |  |  | $ | 987 |
Forfeited |  |  | - |  |  |  | - |  |  |  |  |  |  |
Cancelled |  |  | (225,316 | ) |  |  | 20.58 |  |  |  |  |  |  |
Outstanding as of December 31, 2018 |  |  | 2,818,433 |  |  | $ | 9.59 |  |  |  |  |  |  |
Granted |  |  | 41,958 |  |  |  | 21.29 |  |  |  |  |  |  |
Exercised |  |  | (258,621 | ) |  |  | 5.76 |  |  |  |  | $ | 2,902 |
Forfeited |  |  | (8,017 | ) |  |  | 15.39 |  |  |  |  |  |  |
Cancelled |  |  | (156,144 | ) |  |  | 22.99 |  |  |  |  |  |  |
Outstanding as of December 31, 2019 |  |  | 2,437,609 |  |  | $ | 9.32 |  |  | 5.51 years |  | $ | 24,606 |
Exercisable as of December 31, 2019 |  |  | 1,895,851 |  |  | $ | 9.08 |  |  | 4.96 years |  | $ | 20,037 |
The following table summarizes information with respect to all outstanding and exercisable stock options under all of our plans as of December 31, 2019:
|  |  |  |  |  |  |  | Options Outstanding |  |  | Options Exercisable |
Range of Exercise Prices |  |  | Number of Options Outstanding |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (in Years) |  |  | Number Exercisable |  |  | Weighted Average Exercise Price |
$ | 2.82 |  |  | $ | 4.07 |  |  |  | 280,632 |  |  | $ | 3.71 |  |  |  | 4.71 |  |  |  | 280,632 |  |  | $ | 3.71 |
$ | 4.15 |  |  | $ | 4.15 |  |  |  | 250,732 |  |  | $ | 4.15 |  |  |  | 5.61 |  |  |  | 250,732 |  |  | $ | 4.15 |
$ | 4.49 |  |  | $ | 4.49 |  |  |  | 607,648 |  |  | $ | 4.49 |  |  |  | 6.18 |  |  |  | 436,872 |  |  | $ | 4.49 |
$ | 5.00 |  |  | $ | 6.51 |  |  |  | 302,032 |  |  | $ | 6.02 |  |  |  | 4.40 |  |  |  | 302,032 |  |  | $ | 6.02 |
$ | 7.22 |  |  | $ | 8.30 |  |  |  | 258,023 |  |  | $ | 8.21 |  |  |  | 6.87 |  |  |  | 133,473 |  |  | $ | 8.12 |
$ | 9.69 |  |  | $ | 13.15 |  |  |  | 84,065 |  |  | $ | 9.90 |  |  |  | 6.73 |  |  |  | 84,065 |  |  | $ | 9.90 |
$ | 13.80 |  |  | $ | 13.80 |  |  |  | 266,312 |  |  | $ | 13.80 |  |  |  | 8.18 |  |  |  | 61,838 |  |  | $ | 13.80 |
$ | 15.39 |  |  | $ | 22.13 |  |  |  | 226,653 |  |  | $ | 20.23 |  |  |  | 4.61 |  |  |  | 184,695 |  |  | $ | 20.00 |
$ | 29.02 |  |  | $ | 29.02 |  |  |  | 41,512 |  |  | $ | 29.02 |  |  |  | 0.17 |  |  |  | 41,512 |  |  | $ | 29.02 |
$ | 30.67 |  |  | $ | 30.67 |  |  |  | 120,000 |  |  | $ | 30.67 |  |  |  | 0.38 |  |  |  | 120,000 |  |  | $ | 30.67 |
|  |  |  |  |  |  |  |  | 2,437,609 |  |  | $ | 9.32 |  |  |  | 5.51 |  |  |  | 1,895,851 |  |  | $ | 9.08 |
Restricted Stock Units to be Settled in Stock. Restricted stock units to be settled in shares of stock which are not “performance-based” generally vest 25% per year over a four-year service period. Restricted stock units which are “performance-based” are subject to performance or market conditions that, even if the requisite service period is met, may reduce the number of units of restricted stock that vest at the end of the requisite service period or result in all units being forfeited. The performance-based restricted stock units generally vest three years after the grant date. The following table summarizes information with respect to all outstanding restricted stock units to be settled in shares of stock under our plans during the years ended December 31, 2019, 2018 and 2017:
|  | Restricted Stock to be Settled in Shares of Stock |
|  | Units |  |  | Weighted Average Grant-Date Fair Value Per Unit |
Outstanding as of December 31, 2016 |  |  | 1,712,204 |  |  | $ | 4.63 |
Granted |  |  | 289,392 |  |  |  | 8.49 |
Vested (1) |  |  | (422,284 | ) |  |  | 4.64 |
Forfeited |  |  | (125,489 | ) |  |  | 5.56 |
Outstanding as of December 31, 2017 |  |  | 1,453,823 |  |  | $ | 5.32 |
Granted |  |  | 1,397,644 |  |  |  | 12.91 |
Vested |  |  | (709,132 | ) |  |  | 4.97 |
Forfeited |  |  | (124,858 | ) |  |  | 7.14 |
Outstanding as of December 31, 2018 (2) |  |  | 2,017,477 |  |  | $ | 12.70 |
Granted |  |  | 427,488 |  |  |  | 21.31 |
Vested |  |  | (500,818 | ) |  |  | 6.14 |
Forfeited |  |  | (22,955 | ) |  |  | 11.42 |
Outstanding as of December 31, 2019 |  |  | 1,921,192 |  |  | $ | 16.34 |
_______________
| (1) | The total vested awards include 6.3 thousand of vested restricted stock units settled in cash for the year ended December 31, 2017. These awards granted in 2015 for retention purposes are subject to accelerated vesting and cash settlement in the event of an involuntary not-for-cause termination of employment by the Company.
| (2) | The weighted average grant-date fair value per unit as of December 31, 2018 reflects an adjusted fair value per unit from $10.59 to $12.70 due to the modification of grants approved by the Board of Directors during the current year for our performance-based awards granted on December 14, 2018.
Deferred Stock Units to be Settled in Stock. We granted deferred stock units to our non-employee directors. The deferred stock units are to be settled in shares of stock. Settlement of the deferred stock units and delivery of the underlying shares of stock to the plan participants does not occur until he or she ceases to provide services to the Company in the capacity of a director, employee or consultant. The following table summarizes information with respect to all deferred stock units during the years ended December 31, 2019, 2018 and 2017:
|  | Deferred Stock Units to be Settled in Shares |  |  | Weighted Average Grant-Date Fair Value Per Unit |
Outstanding as of December 31, 2016 (1) |  |  | 76,023 |  |  | $ | 4.44 |
Granted |  |  | - |  |  |  | - |
Vested |  |  | - |  |  |  | - |
Forfeited |  |  | - |  |  |  | - |
Outstanding as of December 31, 2017 (1) |  |  | 76,023 |  |  | $ | 4.44 |
Granted |  |  | - |  |  |  | - |
Vested |  |  | - |  |  |  | - |
Forfeited |  |  | - |  |  |  | - |
Outstanding as of December 31, 2018 (1) |  |  | 76,023 |  |  | $ | 4.44 |
Granted |  |  | - |  |  |  | - |
Vested (2) |  |  | (2,928 | ) |  |  | 5.56 |
Forfeited |  |  | - |  |  |  | - |
Outstanding as of December 31, 2019 (1) |  |  | 73,095 |  |  | $ | 4.39 |
| (1) | Includes vested but unreleased awards. These awards are included in total outstanding awards until they are released under the terms of the agreement.
| (2) | Includes previously vested awards which were released during the current period.
Restricted Stock Units to be Settled in Cash. Restricted stock units to be settled in cash generally vest 25% per year over a four-year service period beginning on the date of grant. Cash-settled restricted stock units are recorded as liabilities as the expense is recognized and the fair value for these awards is determined at each period end date with changes in fair value recorded in our statement of income (loss) and comprehensive income (loss) in the current period. Cash-settled restricted stock units are settled with a cash payment for each unit vested equal to the closing price on the vesting date. Cash-settled restricted stock units are not included in common shares reserved for issuance or available for issuance under the 2016 Plan. The following table summarizes information with respect to all cash-settled restricted stock units for the years ended December 31, 2019, 2018 and 2017:
|  | Restricted Stock Units to be Settled in Cash |
Outstanding as of December 31, 2016 |  |  | 1,192,078 |
Granted |  |  | - |
Vested |  |  | (650,729 | )
Forfeited |  |  | (69,621 | )
Outstanding as of December 31, 2017 |  |  | 471,728 |
Granted |  |  | - |
Vested |  |  | (214,192 | )
Forfeited |  |  | (44,742 | )
Outstanding as of December 31, 2018 |  |  | 212,794 |
Granted |  |  | - |
Vested |  |  | (129,116 | )
Forfeited |  |  | (2,170 | )
Outstanding as of December 31, 2019 |  |  | 81,508 |
Upon vesting, based on the conditions set forth in the award agreements, these units will be settled in cash. We valued these units in accordance with the guidance set forth by FASB ASC Topic 718 – Compensation-Stock Compensation and recognized $2.3 million, $2.2 million and $4.1 million of expense for the years ended December 31, 2019, 2018 and 2017, respectively, for all cash-settled restricted stock units. Stock-Based Compensation Expense. Total stock-based compensation expense for the years ended December 31, 2019, 2018 and 2017 for all types of awards was as follows (dollars in thousands):
|  | December 31, |
Award Type |  | 2019 |  |  | 2018 |  |  | 2017 |
Stock options |  | $ | 1,690 |  |  | $ | 1,956 |  |  | $ | 1,585 |
Restricted stock units settled in stock |  |  | 7,569 |  |  |  | 3,641 |  |  |  | 3,366 |
Restricted stock units settled in cash |  |  | 2,301 |  |  |  | 2,197 |  |  |  | 4,134 |
Total stock-based compensation expense |  | $ | 11,560 |  |  | $ | 7,794 |  |  | $ | 9,085 |
Performance Unit Awards. Performance unit awards granted during 2015, 2016 and 2017 are long-term incentive, cash-based awards. Payment of these awards is based upon a calculation of Total Shareholder Return (“TSR”) of PEC as compared to TSR across a specified peer group of our competitors over a three-year performance period ending primarily on December 31, 2017, 2018 and 2019, respectively. These awards are recorded as liabilities as the expense is recognized and the fair value for these awards is determined at each period end date with changes in fair value recorded in our statement of income (loss) and comprehensive income (loss) in the current period. We recorded $3.4 million, $3.1 million and $5.3 million of expense related to these awards for the years ended December 31, 2019, 2018 and 2017, respectively. Share-Based Awards Assumptions We recognize the value of share-based compensation as expense in our consolidated statements of income (loss) and comprehensive income (loss) during the vesting periods of the underlying share-based awards using the straight-line method. FASB ASC Topic 718 allows companies to estimate forfeitures of share-based awards at the time of grant and revise such estimates in subsequent periods if actual forfeitures differ from original projections. The fair value of each stock option award granted during the years ended December 31, 201 9, 201 8 and 201 7 was estimated on the date of grant using the Black-Scholes-Merton option pricing model. Our determination of the fair value of each stock option is affected by our stock price on the date of grant, as well as assumptions regarding a number of highly complex and subjective variables. These variables include, but are not limited to, our expected stock price volatility over the expected life of the awards and actual and projected stock option exercise behavior. The weighted average fair value per share of stock option awards granted during the years ended December 31, 201 9, 201 8 and 201 7, and assumptions used to value stock options are as follows:
|  | For the Year Ended December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
Dividend yield |  |  | - |  |  |  | - |  |  |  | - |
Risk-free interest rate |  |  | 1.6 | % |  |  | 2.6 | % |  |  | 1.9 | %
Weighted average volatility |  |  | 62.6 | % |  |  | 56.1 | % |  |  | 64.2 | %
Expected life (in years) |  |  | 8.0 |  |  |  | 5.0 |  |  |  | 5.2 |
Weighted average grant date fair value per share of options granted |  | $ | 13.78 |  |  | $ | 7.09 |  |  | $ | 4.81 |
Volatility is calculated based on the actual historical daily prices of our common stock based on the same time period of the expected term of the stock option award. During the year ended December 31, 2019, we used expected volatility assumptions of 62.6%. The expected life of each stock option award is estimated based primarily on our actual historical director and employee exercise behavior and forfeiture rates. The fair value of each share of restricted stock and restricted stock units to be settled in stock is equal to the fair market value of our common stock as of the date of grant, which is the closing price per share of our common stock on NASDAQ.

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