XML 40 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Summary of Significant Accounting Policies (Details 1) | 12 Months Ended
--- | ---
Dec. 31, 2017
Patents [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets estimated useful lives | 20 years
Lead Pool [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets estimated useful lives | 2 years
Trade names, trademarks, product names, URLs [Member] | Minimum [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets estimated useful lives | 5 years
Trade names, trademarks, product names, URLs [Member] | Maximum [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets estimated useful lives | 10 years
Internally developed software [Member] | Minimum [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets estimated useful lives | 5 years
Internally developed software [Member] | Maximum [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets estimated useful lives | 6 years
Non-compete agreements [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets estimated useful lives | 3 years
Subscriber/customer relationships [Member] | Minimum [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets estimated useful lives | 3 years
Subscriber/customer relationships [Member] | Maximum [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets estimated useful lives | 12 years

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=peer_LeadPoolMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksAndTradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_SoftwareDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |