Maximum amount of pocket expenses and legal fees expenses.

No definition available.

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Namespace Prefix:	chek_
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Balance Type:	debit
Period Type:	duration

- Definition

Warrant exercised.

+ References

No definition available.

+ Details

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Namespace Prefix:	chek_
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Balance Type:	na
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- Definition

Warrant expired.

+ References

No definition available.

+ Details

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- 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

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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- Definition

Estimated percentage to which the maximum potential amount of future payments under the credit derivative would be covered by the proceeds from liquidation of assets held either as collateral or by third parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4K
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5708775-113959

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.2(a),(b),(c),(d))
-URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 225
-Section 45
-Paragraph 3
-Subparagraph (k)
-URI http://asc.fasb.org/extlink&oid=6488370&loc=d3e13550-115849

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

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Namespace Prefix:
Data Type:	na
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Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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SHAREHOLDERS' EQUITY (Details) - USD ($)			6 Months Ended
SHAREHOLDERS' EQUITY (Details) - USD ($)	Jun. 02, 2017	May 26, 2017	Jun. 30, 2017
Investment [Member]
Class of Stock [Line Items]
Warrant exercised			16,337
Warrant expired			401
CLA Investment [Member]
Class of Stock [Line Items]
Warrant exercised			118,933
Warrant expired			2,914
Placement Agent Agreement [Member]
Class of Stock [Line Items]
Warrant exercised			70,010
RD Offering [Member]
Class of Stock [Line Items]
Shares called by warrant	1,349,500		290,000
Share price	$ 2.00
Exercise price	$ 2.125
Proceeds from warrants	$ 2,690,000		$ 14,500,000
RD Offering [Member] \| Placement Agent Agreement [Member]
Class of Stock [Line Items]
Shares called by warrant		67,475
Exercise price		$ 2.5
Placement agent fee		$ 188,930
Percentage of gross proceeds		7.00%
Maximum pocket expenses and legal fees expenses		$ 60,000