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| | <Log type="Info"> 'Monetary' elements on report '40601 - Disclosure - Stock-Based Compensation (Narrative) (Details)' had a mix of different decimal attribute values. </Log> |
| | <Log type="Info"> 'Monetary' elements on report '40801 - Disclosure - Legal Settlement Charges (Narrative) (Details)' had a mix of different decimal attribute values. </Log> |
| | <Log type="Info"> Process Flow-Through: 00100 - Statement - Condensed Consolidated Balance Sheets </Log> |
| | <Log type="Info"> Process Flow-Through: Removing column 'Jun. 30, 2013' </Log> |
| | <Log type="Info"> Process Flow-Through: Removing column 'Dec. 31, 2012' </Log> |
| | <Log type="Info"> Process Flow-Through: 00101 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) </Log> |
| | <Log type="Info"> Process Flow-Through: 00200 - Statement - Condensed Consolidated Statements of Operations </Log> |
| | <Log type="Info"> Process Flow-Through: 00201 - Statement - Condensed Consolidated Statements of Operations (Parenthetical) </Log> |
| | <Log type="Info"> Process Flow-Through: 00300 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) </Log> |
| | <Log type="Info"> Process Flow-Through: 00500 - Statement - Condensed Consolidated Statements of Cash Flows </Log> |
| | </Logs> |
| <InputFiles> |
| | <File> zipr-20140630.xml </File> |
| | <File> zipr-20140630.xsd </File> |
| | <File> zipr-20140630_cal.xml </File> |
| | <File> zipr-20140630_def.xml </File> |
| | <File> zipr-20140630_lab.xml </File> |
| | <File> zipr-20140630_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies/> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |