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Shareholders' Equity | 12 Months Ended
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Dec. 31, 2015
Equity [Abstract] |
Shareholders' Equity |
10. | Shareholders’ Equity
Dividends Our dividend policy and the payment of cash dividends under that policy are subject to the Board of Director’s continuing determination that the dividend policy and the declaration of dividends are in the best interest of the Company’s shareholders. Future dividends and the dividend policy may be changed or cancelled at the Company’s discretion at any time. Payment of dividends is also subject to the continuing compliance with our financial covenants under our Credit Facility. During 2015, 2014 and 2013, our Board declared the following quarterly cash dividends on our common stock:
Dividend Per Share |  | Record Date |  | Payment Date
$0.066 |  | December 16, 2015 |  | December 30, 2015
$0.066 |  | September 18, 2015 |  | September 30, 2015
$0.066 |  | June 12, 2015 |  | June 26, 2015
$0.066 |  | March 19, 2015 |  | March 31, 2015
$0.060 |  | December 19, 2014 |  | December 30, 2014
$0.060 |  | September 16, 2014 |  | September 30, 2014
$0.060 |  | June 13, 2014 |  | June 27, 2014
$0.050 |  | March 19, 2014 |  | March 31, 2014
$0.050 |  | December 17, 2013 |  | December 31, 2013
$0.050 |  | September 16, 2013 |  | September 30, 2013
$0.050 |  | June 14, 2013 |  | June 28, 2013
$0.050 |  | March 18, 2013 |  | March 28, 2013
On March 9, 2016, our Board of Directors declared a quarterly dividend of $0.066 per share. The dividend will be paid on March 31, 2016 to all shareholders of record at the close of business on March 19, 2016. Effective August 13, 2012, the Company implemented a Dividend Reinvestment Plan (the “Plan”), under which the Company may issue up to 750,000 shares of common stock. The Plan provides a way for interested shareholders to increase their holdings in our common stock. Participation in the Plan is strictly voluntary and is open only to existing shareholders. The Plan has had limited participation. Share-Based Compensation The 2007 Equity Incentive Plan (the “2007 Plan”) was approved by shareholders on May 23, 2007 and replaced the 1997 Stock Option Plan (the “1997 Plan”). The 1997 Plan remains in effect solely for the purpose of the continued administration of the options outstanding under the 1997 Plan. The plans are administered by the Compensation Committee (the “Committee”) of the Board of Directors. The 2007 Plan permits the granting of stock options and stock awards which are granted at a price equal to or greater than the fair market value of the Company’s common stock at the date of grant. Generally, stock options or stock awards granted to non-employee directors vest in periods of one to three years from the date of grant. Stock options granted to employees generally vest equally over a period of three to five years from the date of grant. Stock awards granted to employees generally vest equally over a period of up to four years from the date of grant for awards subject to service requirements. Stock awards may be granted and vest based on the achievement of certain performance requirements as established by the Committee. Stock awards also may be granted without service or performance requirements, as determined by the Committee. The Committee, at its discretion, may establish other vesting periods and performance requirements when appropriate. During 2015, approximately 286,000 stock options and 323,000 restricted stock awards were granted to plan participants under the 2007 Plan. During 2014, approximately 280,000 stock options and 6,000 restricted stock awards were granted to plan participants under the 2007 Plan. Also, of the outstanding stock awards, there are approximately 53,000 performance-based awards outstanding at December 31, 2015. The number of shares reserved for issuance under the 2007 Plan is 3,300,000, of which approximately 511,000 shares were available for future grant as of December 31, 2015. Share-based compensation expense for stock options and restricted stock awards under these plans of $1.9 million, $1.7 million and $1.1 million was recorded in the years ended December 31, 2015, 2014 and 2013, respectively. The tax benefit related to share based compensation expense was zero, $0.2 million, and $0.3 million in 2015, 2014 and 2013, respectively. No equity compensation expense has been capitalized in inventory or fixed assets. Employee Stock Purchase Plan The 2009 Employee Stock Purchase Plan (“ESPP”) was approved by shareholders on May 21, 2009. The ESPP is administered by the Committee. The aggregate maximum number of shares of the Company’s common stock that may be granted under the ESPP is 1,500,000 shares over the ten-year term of the ESPP, subject to adjustment in the event there is a reorganization, merger, consolidation, recapitalization, reclassification, stock split-up, or similar transaction with respect to the common stock. The ESPP allows employees to purchase shares of common stock at a 15% discount from market price and pay for the shares through payroll deductions. Eligible employees can enter the plan at specific “offering dates” that occur in six month intervals. The Company recognized employee stock purchase plan expense of $54,000, $19,000 and $19,000 during the years ended December 31, 2014, 2013 and 2012, respectively. In addition to the Company’s share-based compensation plans, certain other warrants have been issued that are not compensatory in nature. See further discussion in the “Warrants to Purchase Common Stock” section below. Employees’ Stock Ownership Trust: The Company sponsors an employee stock ownership plan under which it may make discretionary contributions to the trust, either in cash or in shares of Company common stock, for certain salaried employees of Met-Pro in the United States who are eligible to participate in the Plan. There were no contributions to the Employees’ Stock Ownership Trust for the years ended December 31, 2015, 2014 and 2013. All shares are considered to be allocated to participants or to be released for allocation to participants, and are included in the earnings per share computations. Stock Options and Restricted Awards The weighted-average fair value of stock options granted during 2015, 2014 and 2013 was estimated at $4.35, $6.48 and $6.18 per option, respectively, using the Black-Scholes option-pricing model based on the following assumptions: Expected Volatility: The Company utilizes a volatility factor based on the Company’s historical stock prices for a period of time equal to the expected term of the stock option utilizing weekly price observations. For 2015, 2014 and 2013, the Company utilized weighted-average volatility factors of 44%, 55% and 57%, respectively. Expected Term: Due to limited historical exercise data, the Company utilizes the simplified method of determining the expected term based on the vesting schedules and terms of the stock options. For 2015, 2014 and 2013, the Company utilized weighted-average expected term factors of 6.3 years, 6.3 years and 6.5 years, respectively. Risk-Free Interest Rate: The risk-free interest rate factor utilized is based upon the implied yields currently available on U.S. Treasury zero-coupon issues over the expected term of the stock options. For 2015, 2014 and 2013, the Company utilized a weighted-average risk-free interest rate factor of 1.9%, 2.2% and 2.2%, respectively. Expected Dividends: The Company utilized a weighted average expected dividend rate of 2.4%, 1.7% and 1.6% to value options granted during 2015, 2014 and 2013, respectively. The fair value of the stock options granted is recorded as compensation expense on a straight-line basis over the vesting periods of the options adjusted for the Company’s estimate of pre-vesting forfeitures. The pre-vesting forfeiture estimate is based on historical activity and is reviewed periodically and updated as necessary. Information related to all stock options under the 2007 Plan and 1997 Plan for the years ended December 31, 2015, 2014 and 2013 is shown in the tables below:
(Shares in thousands) |  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value ($000) |
Outstanding at December 31, 2014 |  |  | 1,727 |  |  | $ | 10.12 |  |  | 7.3 years |  |  |  |
Granted |  |  | 286 |  |  |  | 11.55 |  |  |  |  |  |  |
Forfeitures |  |  | (106 | ) |  |  | 12.31 |  |  |  |  |  |  |
Exercised |  |  | (30 | ) |  |  | 4.47 |  |  |  |  |  |  |
Outstanding at December 31, 2015 |  |  | 1,877 |  |  |  | 10.30 |  |  | 6.8 years |  | $ | 1,769 |
Exercisable at December 31, 2015 |  |  | 977 |  |  |  | 8.48 |  |  | 5.4 years |  | $ | 1,765 |
(Shares in thousands) |  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value ($000) |
Outstanding at December 31, 2013 |  |  | 1,807 |  |  | $ | 9.05 |  |  | 7.7 years |  |  |  |
Granted |  |  | 280 |  |  |  | 13.78 |  |  |  |  |  |  |
Forfeitures |  |  | (121 | ) |  |  | 12.45 |  |  |  |  |  |  |
Exercised |  |  | (239 | ) |  |  | 5.18 |  |  |  |  |  |  |
Outstanding at December 31, 2014 |  |  | 1,727 |  |  |  | 10.12 |  |  | 7.3 years |  | $ | 9,390 |
Exercisable at December 31, 2014 |  |  | 655 |  |  |  | 5.02 |  |  | 5.8 years |  | $ | 5,332 |
(Shares in thousands) |  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value ($000) |
Outstanding at December 31, 2012 |  |  | 1,244 |  |  | $ | 5.18 |  |  | 6.8 years |  |  |  |
Granted |  |  | 923 |  |  |  | 12.72 |  |  |  |  |  |  |
Forfeitures |  |  | (44 | ) |  |  | 9.83 |  |  |  |  |  |  |
Exercised |  |  | (316 | ) |  |  | 4.41 |  |  |  |  |  |  |
Outstanding at December 31, 2013 |  |  | 1,807 |  |  |  | 9.05 |  |  | 7.7 years |  | $ | 12,830 |
Exercisable at December 31, 2013 |  |  | 557 |  |  |  | 5.76 |  |  | 5.2 years |  | $ | 5,786 |
Information related to all restricted stock awards under the 2007 Plan for the years ended December 31, 2015 and 2014 is shown in the table below. No restricted stock awards were outstanding during the years ended December 31, 2013 and 2012. The fair value of restricted stock awards is based on the price of the stock in the open market on the date of grant. The fair value of the restricted stock awards is recorded as compensation expense on a straight-line basis over the vesting periods of the awards adjusted for the Company’s estimate of pre-vesting forfeitures. The pre-vesting forfeiture estimate is based on historical activity and is reviewed periodically and updated as necessary.
(Shares in thousands) |  | Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested at December 31, 2014 |  |  | 6 |  |  | $ | 14.41 |
Granted |  |  | 323 |  |  |  | 9.48 |
Vested |  |  | (2 | ) |  |  | 14.41 |
Forfeited |  |  | (5 | ) |  |  | 9.44 |
Nonvested at December 31, 2015 |  |  | 322 |  |  |  | 9.55 |
(Shares in thousands) |  | Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested at December 31, 2013 |  |  | — |  |  | $ | — |
Granted |  |  | 6 |  |  |  | 14.41 |
Vested |  |  | — |  |  |  | — |
Forfeited |  |  | — |  |  |  | — |
Nonvested at December 31, 2014 |  |  | 6 |  |  |  | 14.41 |
The Company received $0.1 million in cash from employees exercising options during the year ended December 31, 2015, $1.2 million in cash from employees exercising options during the year ended December 31, 2014 and $1.4 million from employees exercising options during the year ended December 31, 2013. The intrinsic value of options exercised during the years ended December 31, 2015, 2014 and 2013 was $0.2 million, $2.4 million and $2.7 million, respectively. Unrecognized compensation expense related to nonvested shares of stock options and restricted stock was $7.2 million at December 31, 2015 and will be recognized over a weighted average vesting period of 3.1 years. Warrants to Purchase Common Stock The Company has historically issued warrants to purchase common shares in conjunction with business acquisitions, debt issuances and employment contracts. The estimated fair value of warrants granted in conjunction with employment agreements is reflected as compensation expense over their related vesting periods, none of which extended into 2015, 2014 or 2013. Fair value of warrants was determined using a Black-Sholes valuation model with assumptions similar to the ones we used to value stock option awards. On December 28, 2006, the Company issued warrants to purchase 250,000 shares to Icarus Investment Corp. (“Icarus”), a related party, at an exercise price of $9.07 and an expiration date of December 26, 2016. These warrants represent the only outstanding warrants as of December 31, 2015 and 2014. Stock Purchase During 2014, the Company repurchased 61,500 shares of common stock from a former director for a total cost of $1.0 million. The shares were immediately retired. During 2013, pursuant to the approval of the Board of the Directors of the Company, the Company purchased 180,000 shares of common stock held by the Company’s Chief Executive Officer. The shares were purchased at the then-current market price of $13.14 for a total transaction value of $2.4 million and the shares were immediately retired. There were no such stock repurchases during 2015.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d),(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Preferred Stock -URI http://asc.fasb.org/extlink&oid=6521494 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C + Details
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