XML 26 R16.htm IDEA: XBRL DOCUMENT
v3.26.1

DIVIDENDS | 3 Months Ended
--- | ---
Mar. 31, 2026
DIVIDENDS |
DIVIDENDS | 10. DIVIDENDS In June 2021, the Board of Directors approved payments to its Series II, Series III, and former Series IV and Series V Class B Preferred Shareholders in the cumulative amount of $5,056,945 representing all current dividends, dividends in arrears, as well as dividends still owed to shareholders who converted their preferred stock in the past. The dividends were paid on July 22, 2021 to all shareholders who had been contacted and confirmed as the rightful owner entitled to payment. The Company has not yet established contact with all former shareholders, most of whom converted their shares prior to 2001. The Company is continuing its efforts to establish contact with approximately 90 former shareholders who are entitled to approximately $1.4 million. This, along with the current declared dividends, are reflected in Dividends payable on the Condensed Balance Sheets. ​ For the first quarter of 2026 and all quarters of 2025, a payment of $39,050 was made to Series II shareholders within one month of each quarter’s end. For the first quarter of 2026 and all quarters of 2025, a payment of $18,561 was made to Series III shareholders within one month of each quarter’s end.

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

X
- Definition Represents the entire disclosure of dividends declared and paid by the entity. + References No definition available. + Details
Name: | rvp_DividendsDisclosureTextBlock
Namespace Prefix: | rvp_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration