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Accrued expenses and other long-term liabilities - Additional Information (Detail)	Aug. 31, 2018 USD ($)
Reltech Electronics Inc [Member] | Subsequent Event [Member]
Earn Out Liability Paid	$ 210,000

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- Definition

Represents the amount of earn-out liability was paid during the period.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

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- Details

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