XML 55 R19.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Cash dividend and declared dividends | 12 Months Ended
--- | ---
Oct. 31, 2019
Cash dividend and declared dividends |
Cash dividend and declared dividends | Note 13 - Cash dividend and declared dividends The Company paid quarterly dividends of $0.02 per share during fiscal year 2019 for a total of $748,000. The Company paid quarterly dividends of $0.02 per share during fiscal year 2018 for a total of $730,000.

X
- Definition Cash dividend and dividends declaration. + References No definition available. + Details
Name: | rfil_CashDividendAndDividendsDeclarationAbstract
Namespace Prefix: | rfil_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure of company's cash dividends and declared dividends. + References No definition available. + Details
Name: | rfil_CashDividendsAndDividendsDeclarationTextBlock
Namespace Prefix: | rfil_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration