XML 56 R26.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Note 8 - Stock-based Compensation (Tables) | 12 Months Ended
--- | ---
Apr. 29, 2017
Notes Tables |
Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | Number of Shares |  |  | Price (a) |
Options outstanding, beginning of year |  |  | 418,895 |  |  | $ | 12.44 |
Granted |  |  | - |  |  |  | - |
Exercised |  |  | (27,400 | ) |  |  | 13.31 |
Cancelled |  |  | (7,900 | ) |  |  | 16.01 |
Options outstanding, end of year |  |  | 383,595 |  |  |  | 11.47 |
Options exercisable, end of year |  |  | 215,803 |  |  |  | 9.64 |

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration