XML 50 R19.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Note 3 - Stock-based Compensation (Tables) | 6 Months Ended
--- | ---
Nov. 30, 2014
Notes Tables |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] |
|  | Three Months Ended November 30 , 2014 |  |  | Three Months Ended November 24 , 2013 |  |  | Six Months Ended November 30 , 2014 |  |  | Six Months Ended November 24 , 2013 |
Options |  | $ | 122,000 |  |  | $ | 177,000 |  |  | $ | 255,000 |  |  | $ | 285,000 |
RSUs |  |  | 228,000 |  |  |  | 184,000 |  |  | $ | 493,000 |  |  | $ | 354,000 |
Total stock-based compensation |  | $ | 350,000 |  |  | $ | 361,000 |  |  | $ | 748,000 |  |  | $ | 639,000 |
|  | Three Months Ended November 30 , 2014 |  |  | Three Months Ended November 24 , 2013 |  |  | Six Months Ended November 30 , 2014 |  |  | Six Months Ended November 24 , 2013 |
Research and development |  | $ | 8,000 |  |  | $ | — |  |  | $ | 20,000 |  |  | $ | 14,000 |
Sales, general and administrative |  |  | 342,000 |  |  |  | 361,000 |  |  |  | 728,000 |  |  |  | 625,000 |
Total stock-based compensation |  | $ | 350,000 |  |  | $ | 361,000 |  |  | $ | 748,000 |  |  | $ | 639,000 |

X
- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -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 S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration