XML 66 R28.htm IDEA: XBRL DOCUMENT
v3.20.1

Note 6 - Earnings (Loss) Per Share (Tables) | 6 Months Ended
--- | ---
Apr. 30, 2020
Notes Tables |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | Three Months Ended April 30, |  |  | Six Months Ended April 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Weighted average shares outstanding for basic (loss) earnings per share |  |  | 9,704,880 |  |  |  | 9,356,660 |  |  |  | 9,633,935 |  |  |  | 9,332,665 |
Add effects of potentially dilutive securities-assumed exercise of stock options |  |  | - |  |  |  | 481,304 |  |  |  | - |  |  |  | 505,053 |
Weighted average shares outstanding for diluted (loss) earnings per share |  |  | 9,704,880 |  |  |  | 9,837,964 |  |  |  | 9,633,935 |  |  |  | 9,837,718 |

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
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