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Description of Business and Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Jun. 30, 2013
Description of Business and Summary of Significant Accounting Policies
Basis of Presentation	Basis of Presentation The accompanying condensed balance sheet as of March 31, 2013, has been derived from audited financial statements. The accompanying unaudited interim condensed financial statements of Mesa have been prepared on the same basis as the annual audited financial statements and in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information and the rules and regulations of the Securities and Exchange Commission (“SEC”) for interim financial statements. In the opinion of management, such unaudited information includes all adjustments (consisting only of normal recurring accruals) necessary for a fair presentation of this interim information. Operating results and cash flows for interim periods are not necessarily indicative of results that can be expected for the entire year. The information included in this report should be read in conjunction with our audited financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended March 31, 2013. The summary of our significant accounting policies is incorporated by reference to our Annual Report on Form 10-K for the year ended March 31, 2013.
Recently Issued Accounting Pronouncements	Recently Issued Accounting Pronouncements In October 2012, the FASB issued ASU 2012-04, Technical Corrections and Improvements.  This standard includes: 1) source literature amendments to conform the language between current accounting literature and legacy source literature; 2) clarification of guidance and reference corrections; and 3) relocation of guidance to a more appropriate location.  The adoption of this standard did not have an impact on our financial statements or disclosures.

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Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).

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