XML 30 R17.htm IDEA: XBRL DOCUMENT
v3.3.1.900

STOCK OPTION GRANT | 12 Months Ended
--- | ---
Dec. 31, 2015
STOCK OPTION GRANT |
STOCK OPTION GRANT | 11.STOCK OPTION GRANT The Compensation and Benefits Committee approved a grant of a non-qualified stock option pursuant to the 2008 Stock Option Plan to Walter O. Bigby, Jr., a Director, for the purchase of 50,000 shares of Common Stock on May 14, 2013. Related share based compensation of $52,775 is included in general and administrative expense in the accompanying Statements of Operations for 2013.

X
- Definition Represents stock option grant. + References No definition available. + Details
Name: | rvp_StockOptionGrantAbstract
Namespace Prefix: | rvp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure pertaining to stock option grant. + References No definition available. + Details
Name: | rvp_StockOptionGrantDisclosureTextBlock
Namespace Prefix: | rvp_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration