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Note 6 - Stock-Based Compensation | 6 Months Ended
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Nov. 24, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Disclosure of Compensation Related Costs, Share-based Payments [Text Block] | 6. Stock-Based Compensation In the three and six months ended November 24, 2013, the Company recognized stock-based compensation expense of $361,000 and $639,000, respectively, which included $184,000 and $354,000 for restricted stock unit awards and $177,000 and $285,000 for stock option grants, respectively. In the three and six months ended November 25, 2012, the Company recognized stock-based compensation expense of $323,000 and $671,000, respectively, which included $141,000 and $298,000 for restricted stock unit awards and $182,000 and $373,000 for stock option grants, respectively. The following table summarizes the stock-based compensation by income statement line item:
|  | Three Months Ended November 24, 2013 |  |  | Three Months Ended November 25, 2012 |  |  | Six Months Ended November 24, 2013 |  |  | Six Months Ended November 25, 2012 |
Research and development |  | $ | — |  |  | $ | 104,000 |  |  | $ | 14,000 |  |  | $ | 214,000 |
Sales, general and administrative |  | $ | 361,000 |  |  | $ | 219,000 |  |  | $ | 625,000 |  |  | $ | 457,000 |
Total stock-based compensation |  | $ | 361,000 |  |  | $ | 323,000 |  |  | $ | 639,000 |  |  | $ | 671,000 |
As of November 24, 2013, there was $2.7 million of total unrecognized compensation expense related to unvested equity compensation awards granted under the Landec equity plans. Total expense is expected to be recognized over the weighted-average period of 2.5 years for stock options and 2.2 years for restricted stock unit awards.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 + Details
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