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Note 3 - Stock-based Compensation | 9 Months Ended
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Feb. 26, 2017
Notes to Financial Statements |
Disclosure of Compensation Related Costs, Share-based Payments [Text Block] |
3. | Stock-Based Compensation
The Company ’s stock-based awards include stock option grants and RSUs. The Company records compensation expense for stock-based awards issued to employees and directors in exchange for services provided based on the estimated fair value of the awards on their grant dates and is recognized over the required service periods , generally the vesting period. The following table summarizes the stock-based compensation for options and RSUs (in thousands):
|  | Three Months Ended |  |  | Nine Months Ended |
|  | February 26, 2017 |  |  | February 28, 2016 |  |  | February 26, 2017 |  |  | February 28, 2016 |
Options |  | $ | 308 |  |  | $ | 331 |  |  | $ | 907 |  |  | $ | 1,021 |
RSUs |  |  | 761 |  |  |  | 553 |  |  |  | 1,935 |  |  |  | 1,560 |
Total stock-based compensation |  | $ | 1,069 |  |  | $ | 884 |  |  | $ | 2,842 |  |  | $ | 2,581 |
The following table summarizes the stock-based compensation by income statement line item (in thousands):
|  | Three Months Ended |  |  | Nine Months Ended |
|  | February 26, 2017 |  |  | February 28, 2016 |  |  | February 26, 2017 |  |  | February 28, 2016 |
Cost of sales |  | $ | 124 |  |  | $ | 103 |  |  | $ | 361 |  |  | $ | 301 |
Research and development |  |  | 23 |  |  |  | 22 |  |  |  | 69 |  |  |  | 67 |
Selling, general and administrative |  |  | 922 |  |  |  | 759 |  |  |  | 2,412 |  |  |  | 2,213 |
Total stock-based compensation |  | $ | 1,069 |  |  | $ | 884 |  |  | $ | 2,842 |  |  | $ | 2,581 |
The estimated fair value for stock options, which determines the Company ’s calculation of stock-based compensation expense, is based on the Black-Scholes option pricing model. RSUs are valued at the closing market price of the Company’s common stock on the date of grant. The Company uses the straight -line single option method to calculate and recognize the fair value of stock-based compensation arrangements. As of February 26, 2017, there was $5.8 million of total unrecognized compensation expense related to unvested equity compensation awards granted under the Landec incentive stock plans. Total expense is expected to be recognized over the weighted-average period of 1.7 years for stock options and 1.6 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 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929 Reference 2: 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=68057994&loc=d3e25284-112666 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: 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 5: 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 6: 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 + Details
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