XML 38 R69.htm IDEA: XBRL DOCUMENT
v3.20.1

Schedule II-Schedule of Valuation and Qualifying Accounts (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Provision for Inventories |  |  |
Movement in schedule of valuation and qualifying accounts |  |  |
Balance at beginning of period | $ 297,208 | $ 594,939 | $ 595,523
Deductions |  | 297,731 | 584
Balance at end of period | 297,208 | 297,208 | 594,939
Provision for Accounts Receivables |  |  |
Movement in schedule of valuation and qualifying accounts |  |  |
Balance at beginning of period | 149,665 | 101,872 | 1,731,985
Additions |  | 47,793 | 24,272
Deductions | 3,283 |  | 1,654,385
Balance at end of period | 146,382 | 149,665 | 101,872
Deferred Tax Valuation |  |  |
Movement in schedule of valuation and qualifying accounts |  |  |
Balance at beginning of period | 6,151,398 | 5,825,954 | 9,197,333
Additions |  | 325,444 |
Deductions | 1,121,560 |  | 3,371,379
Balance at end of period | 5,029,838 | 6,151,398 | 5,825,954
Provision for Rebates |  |  |
Movement in schedule of valuation and qualifying accounts |  |  |
Balance at beginning of period | 4,586,847 | 4,794,193 | 38,983,285
Additions | 24,212,830 | 24,372,111 | 21,738,072
Deductions | 24,526,108 | 24,579,457 | 55,927,164
Balance at end of period | 4,273,569 | 4,586,847 | 4,794,193
Accounts payable |  |  |
Movement in schedule of valuation and qualifying accounts |  |  |
Balance at beginning of period | $ 3,586,726 | 3,896,341 | 4,115,628
Balance at end of period |  | $ 3,586,726 | $ 3,896,341

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInValuationAllowancesAndReservesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesDeductions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_InventoryValuationReserveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_AllowanceForCreditLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=rvp_AllowanceForProvisionOfRebatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=rvp_AllowanceForAccountsPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |