Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2013
Condensed Consolidated Statement of Stockholders' Equity (Unaudited) [Abstract]
Commissions and fundraising costs on issuance of shares	$ 894

Refers to the amount of commission and fundraising costs on issuance of shares under an at-the-market sales agreement.

No definition available.

Name:	rptp_CommissionsAndFundraisingCostsOnIssuanceOfShares
Namespace Prefix:	rptp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration