Name:	csbr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCanceledInPeriod
Namespace Prefix:	csbr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of equity-based payment instruments, excluding stock (or unit) options, that were expired during the reporting period.

No definition available.

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Data Type:	xbrli:sharesItemType
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Share Based Compensation Arrangements By Share Based Payment Award Other Than Options Canceled In Period Weighted Average Exercise Price

No definition available.

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

Weighted average price at which option holders acquired shares when converting their options into shares.

No definition available.

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Data Type:	num:perShareItemType
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Period Type:	duration

Weighted average price at which grantees could have acquired the underlying shares with respect to options of the plan that expired.

No definition available.

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Data Type:	num:perShareItemType
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The number of equity-based payment instruments, excluding stock (or unit) options, that were exercised during the reporting period.

No definition available.

Name:	csbr_SharebasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod
Namespace Prefix:	csbr_
Data Type:	xbrli:sharesItemType
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Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Aggregate Intrinsic Value, Canceled

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Aggregate Intrinsic Value, Exercised

No definition available.

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Data Type:	xbrli:monetaryItemType
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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Per share or unit weighted-average intrinsic value of award granted under share-based payment arrangement. Excludes share and unit options.

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Data Type:	num:perShareItemType
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Period Type:	duration

Per share or unit weighted-average intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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

Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

No definition available.