Leases (Details 1)	Dec. 31, 2018 USD ($)
Leases [Abstract]
2019	$ 183,302
2020	89,520
2021	84,370
Total	$ 357,192

Future rental payments receivable within the one year from the balance sheet date under an operating lease.

No definition available.

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- Definition

Future rental payments receivable within the twelve month from the balance sheet date under an operating lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	peer_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- References

No definition available.

+ Details

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- Definition

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718

+ Details

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- Definition

Future rental payments receivable within the second year from the balance sheet date under an operating lease.

+ References

+ Details

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