Note 8 - Stockholders' Equity

6 Months Ended

Jun. 30, 2019

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

Note 8.    Stockholders’ Equity

Stock-based Compensation Plans

We periodically grant restricted stock unit awards, performance-based shares and shares of common stock to our employees and directors. We measure compensation cost for restricted stock units and stock grants at the closing price of our stock at the time of grant. We measure compensation cost for performance-based grants using a Monte Carlo simulation to estimate their value at grant date. Restricted stock unit and performance-based share grants vest after a specified period with compensation cost amortized over that period. Although we have no current plans to issue stock options, we may do so in the future.

In April 2019, the Board of Directors granted 3,597,380 shares of common stock to employees for payment of long-term incentive compensation for the period ended December 31, 2018. The shares were distributed in April 2019, and $8.3 million in expense related to the stock awards was recognized in the periods prior to March 31, 2019.

In June 2019, the Board of Directors granted the following restricted stock unit awards to employees which will result in a total expense of $5.9 million:

• 2,971,188 restricted stock units, with one third of those vesting in June 2020, one third vesting in June 2021, and one third vesting in June 2022;

• 165,764 restricted stock units, with one half of those vesting in June 2020 and one-half vesting in June 2021; and

• 63,589 restricted stock units that vest in June 2020.

Expense of $2.1 million related to the unit awards discussed above vesting in 2020 will be recognized on a straight-line basis over the 12 months following the date of the award. Expense of $2.0 million related to the unit awards discussed above vesting in 2021 will be recognized on a straight-line basis over the 24 months following the date of the award. Expense of $1.8 million related to the unit awards discussed above vesting in 2022 will be recognized on a straight-line basis over the 36-month period following the date of the award.

In June 2019, the Board of Directors granted performance-based share awards to certain executive employees. The value of the awards will be based on the ranking of the market performance of our common stock relative to the performance of the common stock of a group of peer companies over the 3-year measurement period ending December 31, 2021. The number of shares to be issued will be based on the value of the awards divided by the share price at grant date. The expense related to the performance-based awards will be recognized on a straight-line base over the 30 months following the date of the award.

Stock-based compensation expense for restricted stock unit and performance-based grants to employees and shares issued to nonemployee directors recorded in the first six months of 2019 totaled $3.6 million, compared to $2.4 million in the same period last year.

In connection with the vesting of restricted stock units and other stock grants, employees have in the past, at their election and when permitted by us, chosen to satisfy their minimum tax withholding obligations through net share settlement, pursuant to which the Company withholds the number of shares necessary to satisfy such withholding obligations and pays the obligations in cash.  As a result, in the first six months of 2019 we withheld 714,645 shares valued at approximately $1.6 million, or approximately $2.30 per share. In the first six months of 2018 we withheld 697,341 shares valued at approximately $2.7 million, or approximately $3.86 per share.

Common Stock Dividends

In September 2011 and February 2012, our Board of Directors adopted a common stock dividend policy that has two components: (1) a dividend that links the amount of dividends on our common stock to our average quarterly realized silver price in the preceding quarter, and (2) a minimum annual dividend of $0.01 per share of common stock, in each case, payable quarterly, if and when declared. For illustrative purposes only, the table below summarizes potential per share dividend amounts at different quarterly average realized price levels according to the first component of the policy:

Quarterly average realized silver price per ounce	Quarterly dividend per share	Annualized dividend per share
$30	$0.01	$0.04
$35	$0.02	$0.08
$40	$0.03	$0.12
$45	$0.04	$0.16
$50	$0.05	$0.20

On August 5, 2019, our Board of Directors declared a common stock dividend, pursuant to the minimum annual dividend component of the policy described above, of $0.0025 per share, for a total dividend of approximately $1.0 million payable in September 2019. Because the average realized silver price for the second quarter of 2019 was $15.01 per ounce, below the minimum threshold of $30 according to the policy, no silver-price-linked component was declared or paid. The declaration and payment of common stock dividends is at the sole discretion of our Board of Directors.

At-The-Market Equity Distribution Agreement

Pursuant to an equity distribution agreement dated February 23, 2016, we may issue and sell shares of our common stock from time to time through ordinary broker transactions having an aggregate offering price of up to $75 million, with the net proceeds available for general corporate purposes. The terms of sales transactions under the agreement, including trading day(s), number of shares sold in the aggregate, number of shares sold per trading day, and the floor selling price per share, are proposed by us to the sales agent. Whether or not we engage in sales from time to time may depend on a variety of factors, including share price, our cash resources, customary black-out restrictions, and whether we have any material inside information. The agreement can be terminated by us at any time. The shares issued under the equity distribution agreement are registered under the Securities Act of 1933, as amended, pursuant to a shelf registration statement on Form S-3. As of June 30, 2019, we had sold 7,173,614 shares under the agreement for total proceeds of approximately $24.5 million, net of commissions of approximately $0.6 million. No shares were sold under the agreement during the first six months of 2019.

Common Stock Repurchase Program

On May 8, 2012, we announced that our Board of Directors approved a stock repurchase program.  Under the program, we are authorized to repurchase up to 20 million shares of our outstanding common stock from time to time in open market or privately negotiated transactions, depending on prevailing market conditions and other factors.  The repurchase program may be modified, suspended or discontinued by us at any time. Whether or not we engage in repurchases from time to time may depend on a variety of factors, including not only price and cash resources, but customary black-out restrictions, whether we have any material inside information, limitations on share repurchases or cash usage that may be imposed by our credit agreement or in connection with issuances of securities, alternative uses for cash, applicable law, and other investment opportunities from time to time. As of June 30, 2019, 934,100 shares have been purchased at an average price of $3.99 per share, leaving approximately 19.1 million shares that may yet be purchased under the program. The closing price of our common stock at August 5, 2019, was $2.01 per share. No shares were purchased under the program during the first six months of 2019.