XML 40 R27.htm IDEA: XBRL DOCUMENT v3.2.0.727

DIVIDENDS (Details) - USD ($)			6 Months Ended
	Jun. 25, 2015	Mar. 24, 2015	Jun. 30, 2015	Jun. 30, 2014
Dividends
Preferred dividends declared, not paid			$ 56,363	$ 57,613
Series I, Class B
Dividends
Preferred dividends declared, not paid	$ 12,313	$ 37,891
Series II, Class B
Dividends
Preferred dividends declared, not paid	$ 44,050	$ 132,926

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

- Definition

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 405



-Section 45



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.3-04)



-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 04



-Article 3

+ Details

Name:	us-gaap_DividendsPreferredStockCash
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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: