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SHAREHOLDERS' EQUITY | 12 Months Ended
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Dec. 31, 2014
SHAREHOLDERS' EQUITY [Abstract] |
SHAREHOLDERS' EQUITY |
NOTE 17 | - | SHAREHOLDERS' EQUITY
| A. | Description of Ordinary Shares
As of December 31, 2014, Tower had 150 million authorized ordinary shares, par value NIS 15.00 each, of which approximately 58 million were issued and outstanding (net of approximately 0.1 million ordinary shares held by Tower as of such date). Holders of ordinary shares are entitled to participate equally in the payment of cash dividends and bonus share (stock dividend) distributions and, in the event of the liquidation of Tower, in the distribution of assets after satisfaction of liabilities to creditors. Each ordinary share is entitled to one vote on all matters to be voted on by shareholders. In August 2012, Tower completed a reverse split of its ordinary shares at a ratio of 1 for 15. Proportional adjustments were made to all of Tower's outstanding convertible securities. All numbers of shares and other convertible securities of the Company in these financial statements is post- reverse share split.
| B. | Share Option Plans
| (1) | General The Company has granted to its employees and directors options to purchase ordinary shares under several option plans adopted by the Company. The particular provisions of each plan and grant vary as to vesting period, exercise price, exercise period and other terms. Generally, the exercise price will not be lower than the nominal value of the Shares, the options (i) are granted at an exercise price which equals either the closing market price of the ordinary shares immediately prior to the date of grant, or, in relation to grants made from September 2013, an average of the closing price during the thirty trading days immediately prior to the date of grant, (ii) vest over up to a three or four year period according to various vesting schedules, and are not exercisable beyond seven or ten years from the grant date. Except for those plans described below, as of December 31, 2014, there are approximately 0.4 million options outstanding under the Company's option plans (the "Old Plans"). No further options may be granted under Old Plans.
| (2) | Tower's 2009 Share Incentive Plans (the "2009 Plans") In 2009, the Company adopted new share incentive Plans for directors officers, employees and its subsidiaries. Options were granted at an exercise price which equals the closing market price of the ordinary shares immediately prior to the date of grant, vest over up to a three-year period, and are not exercisable beyond seven years from the grant date. As of December 31, 2014, approximately 1.3 million options were outstanding under the 2009 Plans.
| (3) | Tower's 2013 Share Incentive Plan (the "2013 Plan")
In 2013, the Company adopted a new share incentive Plan for directors, officers, employees and its subsidiaries. Options granted under the plan bear an exercise price which equals an average of the closing price during the thirty trading days immediately prior to the date of grant, vest over up to a three year period and are not exercisable beyond seven years from the grant date. As of December 31, 2014, approximately 5.7 million options were outstanding under the 2013 Plan. Further grants may be approved subject to Compensation Committee, Board of Directors and shareholders' approval as may be required by law.
| (4) | Independent Directors' Option Plan
In January 2007, our shareholders approved, following approval by the Audit Committee and Board, the grant to each independent director of the Company who is not affiliated with our major shareholders and is not an employee of the Company (“Independent Director”) a grant of 10,000 initial options to purchase Tower's ordinary shares at an exercise price which equals the closing market price of the ordinary shares immediately prior to the date of grant. The initial options vest over 3 years. Upon the third anniversary of the initial grant of options to an Independent Director, each such Independent Director shall be granted an additional 10,000 options to purchase Tower's ordinary shares, which will vest over 3 years. The exercise price shall be the closing price of Tower's ordinary shares on the trading day immediately prior to the relevant grant date. Subject to certain conditions, the options that have vested shall be exercisable by an Independent Director for a period of ten years following the date on which the relevant options as the case may be, first vested. As of December 31, 2014, approximately 0.1 million options were outstanding under the Independent Directors' plan. No further grants are made under this plan since September 2013.
| (5) | Summary of the Status of all the Company's Employee and Director Share Options
|  | 2014 |  |  | 2013 |  |  | 2012 |
|  | Number of share options |  |  | Weighted average exercise price |  |  | Number of share options |  |  | Weighted average exercise price |  |  | Number of share options |  |  | Weighted average exercise price |
Outstanding as of beginning of year |  |  | 8,066,749 |  |  | $ | 6.31 |  |  |  | 4,351,487 |  |  | $ | 15.21 |  |  |  | 4,483,793 |  |  | $ | 14.97 |
Granted |  |  | 746,431 |  |  |  | 5.81 |  |  |  | 5,402,961 |  |  |  | 4.54 |  |  |  | 30,336 |  |  |  | 12.64 |
Exercised |  |  | (762,607 | ) |  |  | 4.36 |  |  |  | (23,932 | ) |  |  | 4.35 |  |  |  | (125,260 | ) |  |  | 4.36 |
Terminated |  |  | (30,901 | ) |  |  | 35.40 |  |  |  | (4,273 | ) |  |  | 52.79 |  |  |  | (411 | ) |  |  | 63.57 |
Forfeited |  |  | (482,453 | ) |  |  | 5.86 |  |  |  | (1,659,494 | ) |  |  | 23.76 |  |  |  | (36,971 | ) |  |  | 20.23 |
Outstanding as of end of year |  |  | 7,537,219 |  |  |  | 6.37 |  |  |  | 8,066,749 |  |  |  | 6.31 |  |  |  | 4,351,487 |  |  |  | 15.21 |
Options exercisable as of end of year |  |  | 1,834,281 |  |  | $ | 11.54 |  |  |  | 2,419,180 |  |  | $ | 9.03 |  |  |  | 3,553,662 |  |  | $ | 14.28 |
| (6) | Summary of Information about Employee Share Options Outstanding
The following table summarizes information about employee share options outstanding as of December 31, 2014:
Outstanding as of December 31, 2014 |  |  | Exercisable as of December 31, 2014 |
Range of exercise Prices |  |  | Number outstanding |  |  | Weighted average remaining contractual life (in years) |  |  | Weighted average exercise price |  |  | Number exercisable |  |  | Weighted average exercise price |
$ | 3.15 |  |  |  | 10,000 |  |  |  | 5.25 |  |  | $ | 3.15 |  |  |  | 10,000 |  |  | $ | 3.15 |
| 4.35-13.20 |  |  |  | 6,733,734 |  |  |  | 5.27 |  |  |  | 4.81 |  |  |  | 1,030,796 |  |  |  | 5.39 |
| 15.90-20.85 |  |  |  | 418,202 |  |  |  | 3.34 |  |  |  | 16.85 |  |  |  | 418,202 |  |  |  | 16.85 |
$ | 21.00-32.25 |  |  |  | 375,283 |  |  |  | 2.37 |  |  | $ | 22.76 |  |  |  | 375,283 |  |  | $ | 22.76 |
|  |  |  |  | 7,537,219 |  |  |  |  |  |  |  |  |  |  |  | 1,834,281 |  |  |  |  |
|  |  | Year Ended December 31, |
|  |  | 2014 |  |  | 2013 |  |  | 2012 |
| The intrinsic value of options exercised |  | $ | 3,680 |  |  | $ | 42 |  |  | $ | 927 |
| The original fair value of options exercised |  | $ | 2,661 |  |  | $ | 158 |  |  | $ | 819 |
Stock-based compensation expenses were recognized in the following line items in the statement of operations as follows:
|  |  | Year Ended December 31, |
|  |  | 2014 |  |  | 2013 |  |  | 2012 |
| Component of income before provision for income taxes: |
| Cost of revenue |  | $ | 753 |  |  | $ | 597 |  |  | $ | 902 |
| Research and development, net |  |  | 1,034 |  |  |  | 527 |  |  |  | 714 |
| Selling, general and administrative |  |  | 2,897 |  |  |  | 1,658 |  |  |  | 4,121 |
| Stock-based compensation expense |  | $ | 4,684 |  |  | $ | 2,782 |  |  | $ | 5,737 |
| (7) | Weighted Average Grant-Date Fair Value of Options Granted to Employees The weighted average grant-date fair value of the options granted during 2014, 2013 and 2012 to employees and directors amounted to $3.10, $2.10 and $6.00 per option, respectively. The Company utilizes the Black-Scholes model. The Company estimated the fair value, utilizing the following assumptions for the years 2014, 2013 and 2012 (all in weighted averages):
|  |  | 2014 |  |  | 2013 |  |  | 2012 |
| Risk-free interest rate |  | 1.3%-1.8% |  |  | 0.8%-1.8% |  |  | 0.6%-1.0% |
| Expected life of options |  | 4.75 years |  |  | 4.75 years |  |  | 4.75 years |
| Expected annual volatility |  | 47%-57% |  |  | 51%-65% |  |  | 52%-55% |
| Expected dividend yield |  | None |  |  | None |  |  | None |
|  | Risk free interest rate - is based on yield curve rates published by the US Department of Treasury. Expected life of options - is based upon historical experience and represents the period of time that options granted are expected to be outstanding. Expected annual volatility - is based on the volatility of the Company's ordinary share prior to the options grant for the term identical to expected life.
| C. | Equity-Equivalent Capital Notes and Bank's Warrants
All issued and outstanding equity equivalent capital notes, totaling approximately 4.5 million as of December 31, 2014, have no voting rights, no maturity date, no dividend rights, are not tradable, are not registered, do not carry interest, are not linked to any index and are not redeemable. The equity equivalent capital notes are classified in shareholders' equity. As of December 31, 2014, Bank Hapo'alim is the sole holder of such capital notes (Bank Le'umi and Israel Corporation, which previously held such capital notes, converted the entire quantities they had to ordinary shares through 2014, and have no capital notes as of December 31, 2014). As of December 31, 2014, the Israeli Banks hold a total of approximately 0.7 million warrants received under the Facility Agreement exercisable until December 2018, at various exercise prices between $10.50 and $92.55 per share.
| D. | Treasury Stock
During 1999 and 1998, the Company funded the purchase by a trustee of an aggregate of 86,667 of Tower's ordinary shares. These shares are classified as treasury shares.
| E. | Dividend Restriction
According to the Facility Agreement, as amended to date, Tower undertook not to distribute any dividends prior to the date that all amounts payable under the Facility Agreement have been paid in full.
| F. | Warrants J and Warrants 7
In connection with the issuance of the Jazz 2010 Notes, the note holders received warrants (“Warrants J”), which are exercisable for up to approximately 1.7 million Tower ordinary shares based on an exercise price of $25.50 per one ordinary share, for a period until June 2015. In connection with the issuance of Series F Debentures in 2012, the debenture holders received warrants (“Warrants 7”), which were exercisable during a period of two years starting on March 2, 2014 and ending on March 1, 2016 for up to approximately 1.9 million ordinary shares of Tower based on an exercise price of approximately $7.2 per one ordinary share. As of December 31, 2014, following exercises occurred through 2014, Warrants 7 are exercisable for up to approximately 1.1 million ordinary shares of Tower.
| G. | Securities Issuance Pursuant to the Acquisition of TJP
As part of the acquisition of TJP on June 2011, the Company had issued 1.3 million ordinary shares to Micron. Those shares were subject to a lock-up arrangement, which expired on June 3, 2013.
| H. | Rights Offering
In June 2013, the Company distributed to its shareholders and certain other security holders rights to purchase ordinary shares and two series of warrants. As a result of the rights offering, the Company received aggregate proceeds of approximately $40,000, including approximately $19,000 through the exercise of Series 8 Warrants issued in this rights offering and exercised in July 2013. The remaining Series 8 Warrants, which were not exercised, expired on July 2013. Those who exercised their rights also received an aggregate of approximately 5.5 million Series 9 Warrants exercisable by June 2017 for the purchase of ordinary shares for a cash payment to Tower of $7.33 per share. As of December 31, 2014, following conversions occurred through 2014, the outstanding Series 9 Warrants are exercisable for up to approximately 5.1 million ordinary shares of Tower.
| I. | Debentures
With regard to Debentures, see Notes 13C and 13E.

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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 S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 3: 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 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Article 4 Reference 8: 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 9: 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 10: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 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 S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 14: 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 15: 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 16: 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 17: 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 18: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 19: 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 + Details
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