The price per share at which the common stock purchased during the period.

No definition available.

Name:	csbr_CommonStockPurchasePrice
Namespace Prefix:	csbr_
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- Definition

The warrants exercise price per share.

+ References

No definition available.

+ Details

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- Definition

The number warrants issued during the period for purchase of common stock.

+ References

No definition available.

+ Details

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Namespace Prefix:	csbr_
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- Definition

Dividend or interest rate associated with the financial instrument issued in exchange for the original debt being converted in a noncash or part noncash transaction. Noncash are transactions that affect recognized assets or liabilities but that do not result in cash receipts or cash payments. Part noncash refers to that portion of the transaction not resulting in cash receipts or cash payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 3

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-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

+ Details

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

- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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Balance Type:
Period Type:

- Details

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Related Party Transactions (Details Textual) (USD $)	0 Months Ended	1 Months Ended		9 Months Ended		12 Months Ended
Related Party Transactions (Details Textual) (USD $)	Dec. 01, 2014	Jan. 28, 2013	Mar. 24, 2011	Jan. 31, 2015	Jan. 31, 2014	Apr. 30, 2013	Apr. 30, 2014
Related Party Transaction, Amounts of Transaction				$ 75,000	$ 115,000
Debt Instrument, Term	90 days
Debt Instrument, Interest Rate, Stated Percentage	12.00%
Debt Conversion, Converted Instrument, Rate	5.00%
Common Stock Purchase Price		$ 0.50csbr_CommonStockPurchasePrice	$ 0.75csbr_CommonStockPurchasePrice
Promissory Note Convertible [Member]
Debt Instrument, Face Amount	1,000,000
Private Placement [Member]
Stock Issued During Period, Shares, Issued for Services						1,000,000
Warrants Exercise Price Per Share						$ 0.50
Warrants Issued During Period For Common Stock						100,000
Common Stock Purchase Price						$ 0.66
Board of Directors Chairman [Member]
Related Party Transaction, Amounts of Transaction						160,000	150,000
Substantial Stockholders [Member]
Related Party Transaction, Amounts of Transaction						2,000	3,000
Board [Member]
Related Party Transaction, Amounts of Transaction							$ 15,800