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Note 10 - Stock Option/Stock Issuance Plan | 12 Months Ended
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Dec. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock Option/Stock Issuance Plan | NOTE 10 — Stock Option/Stock Issuance Plan The Company has three Stock Option Plans: the 1995 Stock Option/Stock Issuance Plan (the “1995 Plan”), the 1999 Stock Plan (the “1999 Plan”), and the 2004 Equity Incentive Plan (the “2004 Plan”). The 1995 Plan The 1995 Plan provided for the grant of incentive stock options and nonstatutory stock options to employees, directors, and consultants of the Company. The Company granted incentive stock options and nonstatutory stock options at exercise prices per share equal to the fair market value per share of common stock on the date of grant. The vesting and exercise provisions were determined by the Board of Directors, with a maximum term of ten years. Upon ratification of the 2004 Plan by the shareholders in June 2004, shares in the 1995 Plan that had been reserved but not issued, as well as any shares issued that would otherwise return to the 1995 Plan as a result of termination of options or repurchase of shares, were added to the shares reserved for issuance under the 2004 Plan. The 1995 Plan expired on April 28, 2005. No additional grants will be made from the 1995 Plan. In 2010 the shares in the 1995 Plan were cancelled and transferred to the 2004 Plan. The 1999 Plan The 1999 Plan provided for the grant of nonstatutory stock options to employees, directors, and consultants of the Company. The Company grants nonstatutory stock options at an exercise price per share equal to the fair market value per share of common stock on the date of grant. The vesting and exercise provisions were determined by the Board of Directors, with a maximum term of ten years. The 1999 Plan expired on June 16, 2009. Options not granted under the plan were cancelled in 2010. The 2004 Plan The 2004 Plan provides for the grant of incentive stock options, nonstatutory stock options, restricted stock, stock appreciation rights, and performance awards, to employees, directors, and consultants of the Company. Upon ratification of the 2004 Plan by the shareholders in June 2004, shares in the 1995 Plan that had been reserved but not issued, as well as any shares issued that would otherwise return to the 1995 Plan as a result of termination of options or repurchase of shares, were added to the shares reserved for issuance under the 2004 Plan. The Company grants incentive stock options and non-statutory stock options at an exercise price per share equal to the fair market value per share of common stock on the date of grant. The vesting and exercise provisions are determined by the Board of Directors, with a maximum term of ten years. Information with respect to the 2004 Plan is summarized as follows:
|  |  | Outstanding Options
| Options Available For Grant |  | Number of Shares |  | Weighted Average Price Per Share
Balance at December 31, 2009 |  | 73,750 |  |  | 849,339 |  | $ | 6.27
Increase in shares authorized |  | 151,550 |  |  | — |  |  |
Transferred from 1995 Plan |  | 301,345 |  |  | — |  |  |
Granted |  | (858,950 | ) |  | 858,950 |  | $ | 3.00
Exercised |  | — |  |  | (12,951 | ) | $ | 1.96
Canceled |  | 502,548 |  |  | (502,548 | ) | $ | 2.15
Balance at December 31, 2010 |  | 170,243 |  |  | 1,192,790 |  | $ | 2.88
Increase in shares authorized |  | 152,079 |  |  | — |  |  |
Granted |  | (305,450 | ) |  | (305,450 | ) | $ | 1.92
Exercised |  | — |  |  | (14,451 | ) | $ | 2.06
Canceled |  | 73,699 |  |  | (73,699 | ) | $ | 2.42
Balance at December 31, 2011 |  | 90,571 |  |  | 1,410,090 |  | $ | 2.70
Increase in shares authorized |  | 193,283 |  |  | — |  |  |
Granted |  | (409,900 | ) |  | 409,900 |  | $ | 1.73
Exercised |  | — |  |  | (7,318 | ) | $ | 1.92
Canceled |  | 188,484 |  |  | (188,484 | ) | $ | 2.65
Balance at December 31, 2012 |  | 62,438 |  |  | 1,624,188 |  | $ | 2.47
The 2004 Plan provides for an annual increase in the number of shares authorized under the plan to be added on the first day of each fiscal year equal to the lesser of 200,000 shares, four percent of the outstanding shares on that date, or a lesser amount as determined by the Board of Directors. On January 1, 2013, 2012, and 2011, a total of 194,442, 193,283, and 152,079 additional shares, respectively, became available for grant from the 2004 Plan. As of March 31, 2013, 4,800 options at a weighted average grant price of $0.73 per share have been granted from the 2004 Plan subsequent to December 31, 2012. The outstanding and exercisable options at December 31, 2012 presented by price range are as follows:
| Options Outstanding |  | Options Exercisable
Range of Exercise Prices | Number of Options Outstanding |  | Weighted Average Remaining Life (Years) |  | Weighted Average Exercise Price |  | Number of Options Exercisable |  | Weighted Average Exercise Price
$1.03 - $1.20 |  | 194,600 |  |  | 9.92 |  | $ | 1.09 |  |  | 83,668 |  | $ | 1.13
$1.68 - $1.82 |  | 161,823 |  |  | 8.17 |  | $ | 1.82 |  |  | 73,349 |  | $ | 1.82
$1.95 - $2.12 |  | 227,110 |  |  | 6.75 |  | $ | 1.99 |  |  | 210,537 |  | $ | 1.99
$2.17 - $2.36 |  | 233,687 |  |  | 4.00 |  | $ | 2.29 |  |  | 99,184 |  | $ | 2.29
$2.49 - $3.04 |  | 693,279 |  |  | 7.58 |  | $ | 3.01 |  |  | 655,947 |  | $ | 3.02
$3.15 - $3.45 |  | 106,542 |  |  | 6.75 |  | $ | 3.34 |  |  | 106,542 |  | $ | 3.34
$6.90 - $7.20 |  | 2,307 |  |  | 7.03 |  | $ | 5.42 |  |  | 2,307 |  | $ | 7.03
$10.00 - $11.70 |  | 4,190 |  |  | 4.75 |  | $ | 11.07 |  |  | 4,190 |  | $ | 11.07
$15.00 |  | 650 |  |  | 2.00 |  | $ | 15.05 |  |  | 650 |  | $ | 15.05
$1.03 - $15.00 |  | 1,624,188 |  |  | 7.25 |  | $ | 2.47 |  |  | 1,236,374 |  | $ | 2.65

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- Definition Disclosure of accounting policy for stock option and stock incentive plans. This disclosure may include (1) the types of stock option or incentive plans sponsored by the entity (2) the groups that participate in (or are covered by) each plan (3) significant plan provisions and (4) how stock compensation is measured, and the methodologies and significant assumptions used to determine that measurement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2228939 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 06-11 -Paragraph 7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b),(f) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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