Note 1 - Summary of Significant Accounting Policies	3 Months Ended
Mar. 31, 2012
Significant Accounting Policies [Text Block]	NOTE 1 – SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of presentation: The interim unaudited consolidated financial statements contained herein should be read in conjunction with the audited consolidated financial statements and accompanying notes to the consolidated financial statements for the fiscal year ended December 31, 2011, including QCR Holdings, Inc.’s (the “Company”) Form 10-K filed with the Securities and Exchange Commission on March 8, 2012. Accordingly, footnote disclosures, which would substantially duplicate the disclosures contained in the audited consolidated financial statements, have been omitted. The financial information of the Company included herein has been prepared in accordance with U.S. generally accepted accounting principles for interim financial reporting and has been prepared pursuant to the rules and regulations for reporting on Form 10-Q and Rule 10-01 of Regulation S-X. Such information reflects all adjustments (consisting of normal recurring adjustments) that are, in the opinion of management, necessary for a fair presentation of the financial position and results of operations for the periods presented. Any differences appearing between the numbers presented in financial statements and management’s discussion and analysis are due to rounding. The results of the interim period ended March 31, 2012, are not necessarily indicative of the results expected for the year ending December 31, 2012. The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries which include three state-chartered commercial banks: Quad City Bank & Trust Company (“QCBT”), Cedar Rapids Bank & Trust Company (“CRBT”), and Rockford Bank & Trust Company (“RB&T”). The Company also engages in direct financing lease contracts through the 80% equity investment by QCBT in m2 Lease Funds, LLC (“m2 Lease Funds”), and in real estate holdings through its 91% equity investment in Velie Plantation Holding Company, LLC (“VPHC”). All material intercompany transactions and balances have been eliminated in consolidation. Recent accounting developments: In April 2011, Financial Accounting Standards Board (“FASB”) issued ASU No. 2011-03, Transfers and Servicing (Topic 860) - Reconsideration of Effective Control for Repurchase Agreements. ASU 2011-03 is intended to improve financial reporting of repurchase agreements and other agreements that both entitle and obligate a transferor to repurchase or redeem financial assets before their maturity. ASU 2011-03 removes from the assessment of effective control (i) the criterion requiring the transferor to have the ability to repurchase or redeem the financial assets on substantially the agreed terms, even in the event of default by the transferee, and (ii) the collateral maintenance guidance related to that criterion. ASU 2011-03 was effective for the Company on January 1, 2012 and did not have a significant impact on the Company’s consolidated financial statements. In May 2011, FASB issued ASU 2011-04, Fair Value Measurement (Topic 820) - Amendments to Achieve Common Fair Value Measurements and Disclosure Requirements in U.S. GAAP and IFRS. ASU 2011-04 amends Topic 820, Fair Value Measurements and Disclosures, to converge the fair value measurement guidance in U.S. generally accepted accounting principles and International Financial Reporting Standards. ASU 2011-04 clarifies the application of existing fair value measurement requirements, changes certain principles in Topic 820 and requires additional fair value disclosures. ASU 2011-04 was effective for annual periods beginning after December 15, 2011, and did not have a significant impact on the Company’s consolidated financial statements. In June 2011, FASB issued ASU 2011-05, Comprehensive Income (Topic 220) - Presentation of Comprehensive Income. ASU 2011-05 amends Topic 220, Comprehensive Income, to require that all nonowner changes in stockholders’ equity be presented in either a single continuous statement of comprehensive income or in two separate but consecutive statements. Additionally, ASU 2011-05 requires entities to present, on the face of the financial statements, reclassification adjustments for items that are reclassified from other comprehensive income to net income in the statement or statements where the components of net income and the components of other comprehensive income are presented. The option to present components of other comprehensive income as part of the statement of changes in stockholders’ equity was eliminated. ASU 2011-05 was effective for annual periods beginning after December 15, 2011. Additionally, in December 2011, FASB issued ASU 2011-12, Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in ASU No. 2011-05. ASU 2011-12 defers the effective date for the changes in ASU 2011-05 that specifically refer to the presentation of the effects of reclassifications adjustments out of accumulated other comprehensive income on the components of net income and other comprehensive income on the face of the financial statements for all periods presented. ASU 2011-12 reinstates the requirements of the presentation of reclassifications out of accumulated other comprehensive income that were in place before the issuance of ASU 2011-05. ASU 2011-12 and 2011-05 were both effective for the Company for the quarter ending March 31, 2012. See new separate consolidated statements of comprehensive income within the consolidated financial statements. In September 2011, FASB issued ASU 2011-08, Intangibles – Goodwill and Other: Testing Goodwill for Impairment. ASU 2011-08 allows the option to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining the need to perform step one of the annual test for goodwill impairment. ASU 2011-08 was effective for annual periods beginning after December 15, 2011. ASU 2011-08 did not have any effect on the Company’s consolidated financial statements. In December 2011, FASB issued ASU 2011-11, Disclosures about Offsetting Assets and Liabilities. ASU 2011-11 requires entities to disclose both gross information and net information about both instruments and transactions eligible for offset in the balance sheet, and instruments and transactions subject to an agreement similar to a master netting arrangement. ASU 2011-11 is effective for annual periods beginning on or after January 1, 2013, and interim periods within those annual periods. Adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

Note 1 - Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2012

Significant Accounting Policies [Text Block]

NOTE 1 – SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of presentation: The interim unaudited consolidated financial statements contained herein should be read in conjunction with the audited consolidated financial statements and accompanying notes to the consolidated financial statements for the fiscal year ended December 31, 2011, including QCR Holdings, Inc.’s (the “Company”) Form 10-K filed with the Securities and Exchange Commission on March 8, 2012. Accordingly, footnote disclosures, which would substantially duplicate the disclosures contained in the audited consolidated financial statements, have been omitted.

The financial information of the Company included herein has been prepared in accordance with U.S. generally accepted accounting principles for interim financial reporting and has been prepared pursuant to the rules and regulations for reporting on Form 10-Q and Rule 10-01 of Regulation S-X. Such information reflects all adjustments (consisting of normal recurring adjustments) that are, in the opinion of management, necessary for a fair presentation of the financial position and results of operations for the periods presented. Any differences appearing between the numbers presented in financial statements and management’s discussion and analysis are due to rounding. The results of the interim period ended March 31, 2012, are not necessarily indicative of the results expected for the year ending December 31, 2012.

The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries which include three state-chartered commercial banks: Quad City Bank & Trust Company (“QCBT”), Cedar Rapids Bank & Trust Company (“CRBT”), and Rockford Bank & Trust Company (“RB&T”). The Company also engages in direct financing lease contracts through the 80% equity investment by QCBT in m2 Lease Funds, LLC (“m2 Lease Funds”), and in real estate holdings through its 91% equity investment in Velie Plantation Holding Company, LLC (“VPHC”). All material intercompany transactions and balances have been eliminated in consolidation.

Recent accounting developments: In April 2011, Financial Accounting Standards Board (“FASB”) issued ASU No. 2011-03, Transfers and Servicing (Topic 860) - Reconsideration of Effective Control for Repurchase Agreements. ASU 2011-03 is intended to improve financial reporting of repurchase agreements and other agreements that both entitle and obligate a transferor to repurchase or redeem financial assets before their maturity. ASU 2011-03 removes from the assessment of effective control (i) the criterion requiring the transferor to have the ability to repurchase or redeem the financial assets on substantially the agreed terms, even in the event of default by the transferee, and (ii) the collateral maintenance guidance related to that criterion. ASU 2011-03 was effective for the Company on January 1, 2012 and did not have a significant impact on the Company’s consolidated financial statements.

In May 2011, FASB issued ASU 2011-04, Fair Value Measurement (Topic 820) - Amendments to Achieve Common Fair Value Measurements and Disclosure Requirements in U.S. GAAP and IFRS. ASU 2011-04 amends Topic 820, Fair Value Measurements and Disclosures, to converge the fair value measurement guidance in U.S. generally accepted accounting principles and International Financial Reporting Standards. ASU 2011-04 clarifies the application of existing fair value measurement requirements, changes certain principles in Topic 820 and requires additional fair value disclosures. ASU 2011-04 was effective for annual periods beginning after December 15, 2011, and did not have a significant impact on the Company’s consolidated financial statements.

In June 2011, FASB issued ASU 2011-05, Comprehensive Income (Topic 220) - Presentation of Comprehensive Income. ASU 2011-05 amends Topic 220, Comprehensive Income, to require that all nonowner changes in stockholders’ equity be presented in either a single continuous statement of comprehensive income or in two separate but consecutive statements. Additionally, ASU 2011-05 requires entities to present, on the face of the financial statements, reclassification adjustments for items that are reclassified from other comprehensive income to net income in the statement or statements where the components of net income and the components of other comprehensive income are presented. The option to present components of other comprehensive income as part of the statement of changes in stockholders’ equity was eliminated. ASU 2011-05 was effective for annual periods beginning after December 15, 2011. Additionally, in December 2011, FASB issued ASU 2011-12, Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in ASU No. 2011-05. ASU 2011-12 defers the effective date for the changes in ASU 2011-05 that specifically refer to the presentation of the effects of reclassifications adjustments out of accumulated other comprehensive income on the components of net income and other comprehensive income on the face of the financial statements for all periods presented. ASU 2011-12 reinstates the requirements of the presentation of reclassifications out of accumulated other comprehensive income that were in place before the issuance of ASU 2011-05. ASU 2011-12 and 2011-05 were both effective for the Company for the quarter ending March 31, 2012. See new separate consolidated statements of comprehensive income within the consolidated financial statements.

In September 2011, FASB issued ASU 2011-08, Intangibles – Goodwill and Other: Testing Goodwill for Impairment. ASU 2011-08 allows the option to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining the need to perform step one of the annual test for goodwill impairment. ASU 2011-08 was effective for annual periods beginning after December 15, 2011. ASU 2011-08 did not have any effect on the Company’s consolidated financial statements.

In December 2011, FASB issued ASU 2011-11, Disclosures about Offsetting Assets and Liabilities. ASU 2011-11 requires entities to disclose both gross information and net information about both instruments and transactions eligible for offset in the balance sheet, and instruments and transactions subject to an agreement similar to a master netting arrangement. ASU 2011-11 is effective for annual periods beginning on or after January 1, 2013, and interim periods within those annual periods. Adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

- Definition

The entire disclosure for all significant accounting policies of the reporting entity.

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