XML 38 R26.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Organization and Basis of Presentation - Narrative (Details) |  | 12 Months Ended
--- | --- | ---
Oct. 15, 2013 | Apr. 30, 2016 subsidiary
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Number of operating subsidiaries |  | 3
Reverse stock split conversion ratio | 0.0833 |

X
- Definition Number of Operating Subsidiaries + References No definition available. + Details
Name: | csbr_NumberofOperatingSubsidiaries
Namespace Prefix: | csbr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stockholders' Equity, Reverse Stock Split, Conversion Ratio + References No definition available. + Details
Name: | csbr_StockholdersEquityReverseStockSplitConversionRatio
Namespace Prefix: | csbr_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration