XML 14 R52.htm IDEA: XBRL DOCUMENT
v3.20.1

LICENSE AGREEMENT (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
LICENSE AGREEMENT |  |  |  |  |  |  |  |  |  |  |
Fees | $ 7,680,000 | $ 7,872,000 | $ 6,665,000 | $ 5,442,000 | $ 5,766,000 | $ 7,067,000 | $ 5,407,000 | $ 4,813,000 | $ 27,659,223 | $ 23,052,900 | $ 24,522,250
Royalty expense to shareholder |  |  |  |  |  |  |  |  |  |  |
LICENSE AGREEMENT |  |  |  |  |  |  |  |  |  |  |
Fees |  |  |  |  |  |  |  |  | $ 3,449,822 | 2,944,102 | 2,864,188
Licensing Agreements |  |  |  |  |  |  |  |  |  |  |
LICENSE AGREEMENT |  |  |  |  |  |  |  |  |  |  |
Royalty percentage on sales |  |  |  |  |  |  |  |  | 5.00% |  |
Royalty percentage on sales of sublicense |  |  |  |  |  |  |  |  | 50.00% |  |
Royalty payable under the license agreement | $ 921,445 |  |  |  | $ 769,324 |  |  |  | $ 921,445 | 769,324 |
Gross sales upon which royalties are based |  |  |  |  |  |  |  |  | 67,529,783 | $ 58,882,042 | $ 57,283,780
Licensing Agreements | License |  |  |  |  |  |  |  |  |  |  |
LICENSE AGREEMENT |  |  |  |  |  |  |  |  |  |  |
Fees |  |  |  |  |  |  |  |  | $ 500,000 |  |
Amortization period of license fee |  |  |  |  |  |  |  |  | 17 years |  |

X
- Definition Represents information related to the percentage of quarterly payment of royalty fee on gross sales in the license agreement. + References No definition available. + Details
Name: | rvp_FiniteLivedIntangibleAssetsQuarterlyPaymentsAsPercentageOfRoyaltyFeeOnGrossSales
Namespace Prefix: | rvp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount of gross sales upon which royalties are based. + References No definition available. + Details
Name: | rvp_GrossSalesUponWhichRoyaltiesAreBased
Namespace Prefix: | rvp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents information related to the percentage of royalties fees payment. + References No definition available. + Details
Name: | rvp_PercentageOfRoyaltiesFeesPayment
Namespace Prefix: | rvp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_AccruedRoyaltiesCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
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_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_RoyaltyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_LicenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |