XML 55 R46.htm IDEA: XBRL DOCUMENT
v3.22.2.2

DIVIDENDS (Details) |  | 1 Months Ended
--- | --- | ---
Aug. 01, 2022 USD ($) stockholder | Jul. 31, 2022 USD ($) | Apr. 30, 2022 USD ($) | Jan. 31, 2022 USD ($) | Oct. 31, 2021 USD ($) | Jun. 30, 2021 USD ($) | Apr. 30, 2021 USD ($) | Jan. 31, 2021 USD ($)
Dividends |  |  |  |  |  |  |  |
Cumulative annual payments |  |  |  |  |  | $ 5,056,945 |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |
Number of entitled shareholders | stockholder | 90 |  |  |  |  |  |  |
Contingent liability former shareholders | $ 1,400,000 |  |  |  |  |  |  |
Series I, Class B |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |
Cumulative annual payments |  |  |  | $ 10,041 |  |  |  |
Series II, Class B |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |
Cumulative annual payments |  | $ 39,050 | $ 39,050 | 39,050 | $ 39,050 |  | $ 39,050 | $ 39,050
Series III, Class B |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |
Cumulative annual payments |  | $ 19,061 | $ 19,061 | $ 39,495 |  |  |  |

X
- Definition Represents the contingent amount due to former shareholders. + References No definition available. + Details
Name: | rvp_ContingentLiabilityFormerShareholders
Namespace Prefix: | rvp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cumulative and annual payments to previous shareholders. + References No definition available. + Details
Name: | rvp_CumulativeAnnualPayments
Namespace Prefix: | rvp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the number of former shareholders entitled to compensation. + References No definition available. + Details
Name: | rvp_NumberOfEntitledShareholders
Namespace Prefix: | rvp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ClassOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=rvp_SeriesOneConvertibleClassBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=rvp_SeriesTwoConvertibleClassBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=rvp_SeriesThreeConvertibleClassBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |