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Related Parties (Details Textual) ₪ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2017 ILS (₪)
ILS [Member] | Services Agreement [Member] | Minimum [Member]
Related Parties (Textual)
Amount of monthly consideration		₪ 33
ILS [Member] | Services Agreement [Member] | Maximum [Member]
Related Parties (Textual)
Amount of monthly consideration		₪ 53
Related Party [Member]
Related Parties (Textual)
Amount of monthly consideration | $	$ 8,500
Bonus from net profit, Percentage	15.00%	15.00%
Related Party [Member] | ILS [Member]
Related Parties (Textual)
Amount of monthly consideration		₪ 33
Related Party [Member] | ILS [Member] | Three employees [Member]
Related Parties (Textual)
Amount of monthly consideration		₪ 35

X

- Definition

The percentage of Bonus from net profit.

+ References

No definition available.

+ Details

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Namespace Prefix:	bosc_
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- References

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X

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

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- Details

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- Details

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