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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Accounting Policies [Abstract]
Exchange rate on balance sheet dates	6.71	6.29
Average exchange rate for the period	6.75	6.36

X

- Definition

Average exchange rate for period.

+ References

No definition available.

+ Details

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Namespace Prefix:	celh_
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Period Type:	duration

X

- Definition

Exchange rate on balance sheet dates.

+ References

No definition available.

+ Details

Name:	celh_ExchangeRateOnBalanceSheetDates
Namespace Prefix:	celh_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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