Stock Compensation Expense |
6 Months Ended |
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Sep. 30, 2020 | |
| Share-based Payment Arrangement [Abstract] | |
| Stock Compensation Expense | Stock Compensation ExpenseOur board of directors has adopted and the shareholders have approved two stock option award plans. The 2010 Thermon Group Holdings, Inc. Restricted Stock and Stock Option Plan (“2010 Plan”) was approved on July 28, 2010. The 2010 Plan authorized the issuance of 2,767,171 stock options or restricted shares. On April 8, 2011, the board of directors approved the Thermon Group Holdings, Inc. 2011 Long-Term Incentive Plan (“2011 LTIP”). The 2011 LTIP made available 2,893,341 shares of the Company’s common stock that may be awarded to employees, directors or non-employee contractors as compensation in the form of stock options, restricted stock awards or restricted stock units. At the Company’s 2020 annual general meeting of stockholders held on July 22, 2020, the Company’s stockholders approved the Thermon Group Holdings, Inc. 2020 Long-Term Incentive Plan (the “2020 LTIP”), which had previously been approved by the Company’s board of directors, subject to stockholder approval. The 2020 LTIP made available 1,400,000 shares of the Company’s common stock that may be awarded to employees, directors or nonemployee contractors as compensation in the form of stock options, restricted stock awards or restricted stock units.
Stock compensation expense for the three months ended September 30, 2020 and 2019, was $1,358 and $1,323, respectively, and $2,491 and $2,342 for the six months ended September 30, 2020 and 2019, respectively.
At September 30, 2020, there were 139,485 options outstanding. During the six months ended September 30, 2020, 71,780 options were granted to certain members of senior management. The stock options were valued by using a Black Scholes option pricing model. We arrived at a total fair value for the option awards of $439 by applying a volatility assumption of 41.1%, a risk free rate of 1.22%, expected term of 6.66 years and no expected dividend. The fair value of these options will be expensed on a straight line basis over three years. The right to purchase shares under the options vests over a to ten-year period, beginning on the date of grant. Stock options must be exercised within ten years from date of grant. Stock options were issued with an exercise price that was equal to the market price of our common stock at the grant date. We estimate potential forfeitures of stock grants and adjust compensation cost recorded accordingly. The estimate of forfeitures will be adjusted over the requisite service period to the extent that actual forfeitures differ, or are expected to differ, from such estimates. Changes in estimated forfeitures will be recognized through a cumulative catch-up adjustment in the period of change and will also impact the amount of stock compensation expense to be recognized in future periods.
During the six months ended September 30, 2020, 183,937 restricted stock units were issued to our employees with an aggregate grant date fair value as determined by the closing price of our stock on the respective grant dates of $2,622. The awards will be expensed on a straight-line basis over the three-year service period. At each anniversary of the applicable grant dates for the restricted stock units, a proportionate number of stock units will become vested for the employees and the shares will become issued and outstanding.
We maintain a plan to issue our directors awards of fully vested common stock every three months for a total award over a 12 month period of approximately $760. The number of shares issued to our directors each period is equal to a pre-determined award value subject to the fair market value of the stock price on the date of grant. During the three and six months ended September 30, 2020, 13,392 and 26,912 fully vested common shares were granted in the aggregate to our directors, respectively. The aggregate grant date fair value as determined by the closing price of our common stock on the grant date was $190 and $380 for the three and six months ended September 30, 2020, respectively. The fair value of the awards is expensed on each grant date.
During the six months ended September 30, 2020, a target amount of 49,176 performance stock units were issued to certain members of our senior management that had a total grant date fair value of $1,060. The performance indicator for these performance stock units is based on the market performance of our stock price from the date of grant through March 31, 2023, relative to the market price performance of a pre-determined peer group of companies. Since the performance indicator is market-based, we used a Monte-Carlo valuation model to calculate the probable outcome of the performance measure to arrive at the fair value. The requisite service period required to earn the awards is through March 31, 2023. We will expense the fair value of the performance stock units over the service period on a straight-line basis whether or not the stock price performance condition is met. At the end of the performance period, the performance stock units will be evaluated with the requisite number of shares being issued. The possible number of shares that could be issued ranges from zero to 99,432 in the aggregate. Shares that are not awarded at the measurement date will be forfeited.
In addition to the market-based performance stock units issued to certain members of senior management, we also granted these individuals, during the six months ended September 30, 2020, a target amount of 86,634 performance stock units based on the Company's Adjusted EBITDA performance over three separate one year performance periods beginning with the period ending March 31, 2021 and continuing for subsequent one year periods ending on March 31, 2022 and 2023. The performance goal for these shares has not been determined. As such, the total grant date fair value is indeterminable. However, we have estimated stock compensation expense based on current share price and will adjust for stock compensation expense as the performance goal is determined for the initial measurement period ending March 31, 2021. At each reporting period, we will estimate how many awards senior management may earn and adjust our stock compensation expense accordingly. At the end of each performance period, the performance stock units will be evaluated with the requisite number of shares issued. The possible number of shares that could be issued under such performance stock units ranges from zero to 173,268 in the aggregate. Shares that are not awarded after the end of the measurement period will be forfeited.
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