XML 32 R21.htm IDEA: XBRL DOCUMENT v3.20.2

Note 14 - Cash Dividend and Declared Dividends	9 Months Ended
	Jul. 31, 2020
Notes to Financial Statements
Cash Dividend and Declared Dividends [Text Block]	Note 1 4 – Cash dividend and declared dividends We did not pay any dividends during the three months ended July 31, 2020. During the three months ended July 31, 2019, we paid dividends of $0.02 per share for a total of $187,000.   During the nine months ended July 31, 2020 and 2019, we paid dividends of $0.02 per share for a total of $388,000 and $560,000, respectively.

X

- Definition

The entire disclosure for cash dividends and declared dividends.

+ References

No definition available.

+ Details

Name:	rfil_CashDividendAndDeclaredDividendsTextBlock
Namespace Prefix:	rfil_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureTextBlockAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration