Basis of Presentation

6 Months Ended

Jun. 30, 2011

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

Note 1 - Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements. In the opinion of management, all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation have been included. Certain amounts in the 2010 consolidated financial statements have been reclassified to conform to the 2011 presentation. For further information, refer to the audited consolidated financial statements and related footnotes included in Cass Information System, Inc.’s (“the Company” or “Cass”) Annual Report on Form 10-K for the year ended December 31, 2010.