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| | | <Role> http://www.hitechpharm.com/role/IncomeTaxesDetails </Role> |
| | | <ShortName> Income Taxes (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R49.htm </HtmlFileName> |
| | | <LongName> 0614 - Disclosure - Contingencies and Other Matters (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.hitechpharm.com/role/ContingenciesAndOtherMattersDetails </Role> |
| | | <ShortName> Contingencies and Other Matters (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R50.htm </HtmlFileName> |
| | | <LongName> 0616 - Disclosure - Significant Customers and Concentration of Credit Risk (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.hitechpharm.com/role/SignificantCustomersAndConcentrationOfCreditRiskDetails </Role> |
| | | <ShortName> Significant Customers and Concentration of Credit Risk (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R51.htm </HtmlFileName> |
| | | <LongName> 0617 - Disclosure - Fair Value Measurements (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.hitechpharm.com/role/FairValueMeasurementsDetails </Role> |
| | | <ShortName> Fair Value Measurements (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R52.htm </HtmlFileName> |
| | | <LongName> 06171 - Disclosure - Fair Value Measurements (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.hitechpharm.com/role/FairValueMeasurementsDetailsOne </Role> |
| | | <ShortName> Fair Value Measurements (Details 1) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R53.htm </HtmlFileName> |
| | | <LongName> 06172 - Disclosure - Fair Value Measurements (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.hitechpharm.com/role/FairValueMeasurementsDetailsTextual </Role> |
| | | <ShortName> Fair Value Measurements (Details Textual) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R54.htm </HtmlFileName> |
| | | <LongName> 0618 - Disclosure - Segment Information (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.hitechpharm.com/role/SegmentInformationDetails </Role> |
| | | <ShortName> Segment Information (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R55.htm </HtmlFileName> |
| | | <LongName> 06181 - Disclosure - Segment Information (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.hitechpharm.com/role/SegmentInformationDetailsTextual </Role> |
| | | <ShortName> Segment Information (Details Textual) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R56.htm </HtmlFileName> |
| | | <LongName> 0619 - Disclosure - Subsequent Events (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.hitechpharm.com/role/SubsequentEventsDetails </Role> |
| | | <ShortName> Subsequent Events (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <Logs> |
| | <Log type="Info"> Process Flow-Through: 0110 - Statement - Condensed Consolidated Balance Sheets </Log> |
| | <Log type="Info"> Process Flow-Through: Removing column 'Oct. 31, 2011' </Log> |
| | <Log type="Info"> Process Flow-Through: Removing column 'Apr. 30, 2011' </Log> |
| | <Log type="Info"> Process Flow-Through: 0111 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) </Log> |
| | <Log type="Info"> Process Flow-Through: 0120 - Statement - Condensed Consolidated Statements of Operations (Unaudited) </Log> |
| | <Log type="Info"> Process Flow-Through: 0130 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited) </Log> |
| | <Log type="Info"> Process Flow-Through: 0140 - Statement - Condensed Consolidated Statements of Cash Flows </Log> |
| | </Logs> |
| <InputFiles> |
| | <File> hitk-20121031.xml </File> |
| | <File> hitk-20121031.xsd </File> |
| | <File> hitk-20121031_cal.xml </File> |
| | <File> hitk-20121031_def.xml </File> |
| | <File> hitk-20121031_lab.xml </File> |
| | <File> hitk-20121031_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies/> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |