Organization and Summary of Significant Accounting Policies	12 Months Ended
Dec. 31, 2012
Organization, Consolidation and Presentation Of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]	1. Organization and Summary of Significant Accounting Policies Organization and Basis of Presentation The Company operates through its wholly-owned subsidiaries, BKF Investment Group, Inc., formerly known as BKF Management Co., Inc. ("BIG") and BKF Asset Holdings, Inc. (“BKF Holdings”) all of which are collectively referred to herein as the "Company" or "BKF." The Company trades on the over the counter market under the symbol ("BKFG"). Currently, the Company plans to engage in the asset management business through its subsidiary BKF Advisors, Inc., which is a registered investment advisor in the States of Florida and California. BKF is also seeking to consummate an acquisition, merger or business combination with an operating entity to enhance BKF's revenues and increase shareholder value. The consolidated financial statements of BKF, include BIG and BIG's two wholly owned subsidiaries BKF Advisors, Inc. (“BKF Advisors”) and BKF Asset Management, Inc., ("BAM") and BAM's two wholly-owned subsidiaries, BKF GP, Inc. (“BKF GP”) and LEVCO Securities, Inc. ("LEVCO Securities"). On November 27, 2012 LEVCO Securities was dissolved. All intercompany accounts have been eliminated. BAM was an investment advisor which was registered under the Investment Advisers Act of 1940, as amended; it withdrew its registration on December 19, 2006. BAM had no operations during 2012 and 2011. Use of Estimates The preparation of the consolidated financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. Cash, and Cash Equivalents The Company treats all investments with maturities at acquisition of three months or less as cash equivalents. Investments in money market funds are valued at net asset value. The Company maintains substantially all of its cash and cash equivalents invested in interest bearing instruments at two nationally recognized financial institutions, which at times may exceed federally insured limits. As a result the Company is exposed to credit risk related to the money market funds and the market rate inherent in those funds. OTHER COMPREHENSIVE INCOME (LOSS) The Company presents other comprehensive income in accordance with ASC Topic 220, Comprehensive Income. This section requires that an enterprise (a) classify items of other comprehensive income by their nature in a financial statement and (b) display the accumulated balance of other comprehensive income separately from retained earnings and additional paid in capital in the equity section of a statement of position. The Company reports its unrealized gains and losses on investments in securities as other comprehensive income (loss) in its financial statements. Investments in Affiliated Investment Partnerships BKF GP served as the managing general partner for several affiliated investment partnerships ("AIP"), which primarily engaged in the trading of publicly traded equity securities, and in the case of one partnership, distressed corporate debt. Currently all AIP activities have been terminated and BKF GP is in the process of dissolving those partnerships. Income Taxes The Company accounts for income taxes in accordance with the Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) Topic 740, Income Taxes. Interest costs and penalties related to income taxes are classified as interest expense and general and administrative costs, respectively, in the Company's consolidated financial statements. The Company and its subsidiaries file consolidated Federal and combined state and local tax returns. The Company is currently subject to a three year statue of limitations by major tax jurisdictions. Tax years 2010 and forward remain open to examination. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to the differences between the financial statement carrying amount of existing assets and liabilities and their respective tax basis. Future tax benefits are recognized only to the extent that realization of such benefits is more likely than not to occur. The Company has recorded a valuation reserve of approximately $4.5 million against its net deferred tax asset as of December 31, 2012 and December 31, 2011. The Company believes that it is not likely that this deferred tax benefit will be utilized within the statutory period allowed. Earnings Per Share Basic earnings (loss) per share is calculated by dividing net income (loss) by the weighted average number of common shares outstanding during the year. Diluted earnings (loss) per share is computed by dividing net income (loss) by the total of the weighted average number of shares of common stock outstanding and common stock equivalents. Diluted earnings (loss) per share is computed using the treasury stock method. There were no common stock equivalents for the years ended December 31, 2012 and 2011. Fair Values of Financial Instruments Financial instruments, including cash and cash equivalents, and accounts payable are carried in the consolidated financial statements at amounts that approximate fair value at December 31, 2012 and 2011. Fair values are based on market prices and assumptions concerning the amount and timing of estimated future cash flows. Investments have been valued using level 1 inputs under ASC Topic 820, Fair Value Measurements and Disclosures. Recent Accounting Developments In February 2013, the FASB issued ASU 2013-02, “Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income,” which requires disclosure about amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present, either on the face of the statement of operations or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income, but only if the amount reclassified is required to be reclassified to net income in its entirety in the same reporting period. For amounts that are not required to be reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures that provide additional detail about those amounts. ASU 2013-02 is to be applied prospectively and is effective for fiscal years and interim periods beginning after December 15, 2012. The adoption of this guidance is not expected to have a material impact on the Company’s consolidated results of operations, financial position or cash flows.

Organization and Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2012

Organization, Consolidation and Presentation Of Financial Statements [Abstract]

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

1. Organization and Summary of Significant Accounting Policies

Organization and Basis of Presentation

The Company operates through its wholly-owned subsidiaries, BKF Investment Group, Inc., formerly known as BKF Management Co., Inc. ("BIG") and BKF Asset Holdings, Inc. (“BKF Holdings”) all of which are collectively referred to herein as the "Company" or "BKF." The Company trades on the over the counter market under the symbol ("BKFG"). Currently, the Company plans to engage in the asset management business through its subsidiary BKF Advisors, Inc., which is a registered investment advisor in the States of Florida and California. BKF is also seeking to consummate an acquisition, merger or business combination with an operating entity to enhance BKF's revenues and increase shareholder value.

The consolidated financial statements of BKF, include BIG and BIG's two wholly owned subsidiaries BKF Advisors, Inc. (“BKF Advisors”) and BKF Asset Management, Inc., ("BAM") and BAM's two wholly-owned subsidiaries, BKF GP, Inc. (“BKF GP”) and LEVCO Securities, Inc. ("LEVCO Securities"). On November 27, 2012 LEVCO Securities was dissolved. All intercompany accounts have been eliminated.

BAM was an investment advisor which was registered under the Investment Advisers Act of 1940, as amended; it withdrew its registration on December 19, 2006. BAM had no operations during 2012 and 2011.

Use of Estimates

The preparation of the consolidated financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates.

Cash, and Cash Equivalents

The Company treats all investments with maturities at acquisition of three months or less as cash equivalents. Investments in money market funds are valued at net asset value. The Company maintains substantially all of its cash and cash equivalents invested in interest bearing instruments at two nationally recognized financial institutions, which at times may exceed federally insured limits. As a result the Company is exposed to credit risk related to the money market funds and the market rate inherent in those funds.

OTHER COMPREHENSIVE INCOME (LOSS)

The Company presents other comprehensive income in accordance with ASC Topic 220, Comprehensive Income. This section requires that an enterprise (a) classify items of other comprehensive income by their nature in a financial statement and (b) display the accumulated balance of other comprehensive income separately from retained earnings and additional paid in capital in the equity section of a statement of position. The Company reports its unrealized gains and losses on investments in securities as other comprehensive income (loss) in its financial statements.

Investments in Affiliated Investment Partnerships

BKF GP served as the managing general partner for several affiliated investment partnerships ("AIP"), which primarily engaged in the trading of publicly traded equity securities, and in the case of one partnership, distressed corporate debt. Currently all AIP activities have been terminated and BKF GP is in the process of dissolving those partnerships.

Income Taxes

The Company accounts for income taxes in accordance with the Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) Topic 740, Income Taxes.

Interest costs and penalties related to income taxes are classified as interest expense and general and administrative costs, respectively, in the Company's consolidated financial statements.

The Company and its subsidiaries file consolidated Federal and combined state and local tax returns. The Company is currently subject to a three year statue of limitations by major tax jurisdictions. Tax years 2010 and forward remain open to examination.

Deferred tax assets and liabilities are recognized for the future tax consequences attributable to the differences between the financial statement carrying amount of existing assets and liabilities and their respective tax basis. Future tax benefits are recognized only to the extent that realization of such benefits is more likely than not to occur. The Company has recorded a valuation reserve of approximately $4.5 million against its net deferred tax asset as of December 31, 2012 and December 31, 2011. The Company believes that it is not likely that this deferred tax benefit will be utilized within the statutory period allowed.

Earnings Per Share

Basic earnings (loss) per share is calculated by dividing net income (loss) by the weighted average number of common shares outstanding during the year. Diluted earnings (loss) per share is computed by dividing net income (loss) by the total of the weighted average number of shares of common stock outstanding and common stock equivalents. Diluted earnings (loss) per share is computed using the treasury stock method.

There were no common stock equivalents for the years ended December 31, 2012 and 2011.

Fair Values of Financial Instruments

Financial instruments, including cash and cash equivalents, and accounts payable are carried in the consolidated financial statements at amounts that approximate fair value at December 31, 2012 and 2011. Fair values are based on market prices and assumptions concerning the amount and timing of estimated future cash flows. Investments have been valued using level 1 inputs under ASC Topic 820, Fair Value Measurements and Disclosures.

Recent Accounting Developments

In February 2013, the FASB issued ASU 2013-02, “Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income,” which requires disclosure about amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present, either on the face of the statement of operations or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income, but only if the amount reclassified is required to be reclassified to net income in its entirety in the same reporting period. For amounts that are not required to be reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures that provide additional detail about those amounts. ASU 2013-02 is to be applied prospectively and is effective for fiscal years and interim periods beginning after December 15, 2012. The adoption of this guidance is not expected to have a material impact on the Company’s consolidated results of operations, financial position or cash flows.

- Definition

The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements.

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