XML 14 R54.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Commitments and Contingencies - Additional Information (Detail) - 1 months ended Mar. 31, 2014 | USD ($) ft²
--- | ---
Commitments and Contingencies [Line Items] |
Lease agreement, term | 8 years 1 month
Lease agreement, commencement date | Aug. 01, 2014
Before Amendment |
Commitments and Contingencies [Line Items] |
Lease agreement, space | 55,694
After Amendment |
Commitments and Contingencies [Line Items] |
Lease agreement, space | 75,594
Expansion Space |
Commitments and Contingencies [Line Items] |
Lease agreement, space | 19,900
Annual rent expense | $ | $ 361,000

X
- Definition Commitments and Contingencies [Line Items] + References No definition available. + Details
Name: | rgen_CommitmentsAndContingenciesLineItems
Namespace Prefix: | rgen_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease Agreement Area + References No definition available. + Details
Name: | rgen_LeaseAgreementArea
Namespace Prefix: | rgen_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease Agreement Term + References No definition available. + Details
Name: | rgen_LeaseAgreementTerm
Namespace Prefix: | rgen_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease Commencement Date + References No definition available. + Details
Name: | rgen_LeaseCommencementDate
Namespace Prefix: | rgen_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7661868&loc=d3e34039-112682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 + Details
Name: | us-gaap_OperatingLeasesRentExpenseMinimumRentals
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LeaseArrangementTypeAxis=rgen_BeforeAmendmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseArrangementTypeAxis=rgen_AfterAmendmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseArrangementTypeAxis=rgen_LeaseExpansionSpaceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |