Summary of Business	9 Months Ended
Sep. 30, 2013
Accounting Policies [Abstract]
Summary of Business	1. Summary of Business Marrone Bio Innovations, Inc. (Company), formerly Marrone Organic Innovations, Inc., was incorporated under the laws of the State of Delaware on June 15, 2006, and is located in Davis, California. In July 2012, the Company formed a wholly-owned subsidiary, Marrone Michigan Manufacturing LLC (MMM LLC), a Michigan corporation, which holds the assets of a manufacturing plant the Company purchased in July 2012 as discussed in Note 2. The Company makes bio-based pest management and plant health products. The Company targets the major markets that use conventional chemical pesticides, including certain agricultural and water markets where its bio-based products are used as substitutes for, or in conjunction with, conventional chemical pesticides. The Company also targets new markets for which there are no available conventional chemical pesticides, the use of conventional chemical pesticides may not be desirable or permissible, or the development of pest resistance has reduced the efficacy of conventional chemical pesticides. The Company delivers EPA-approved and registered biopesticide products and other bio-based products that address the global demand for effective, safe and environmentally responsible products. The Company has filed a prospectus pursuant to Rule 424(b) under the Securities and Exchange Act, (hereafter referred to as the “Prospectus”) with the U.S. Securities and Exchange Commission (SEC) dated August 1, 2013. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and the notes thereto for the year ended December 31, 2012 included in the Prospectus. In August 2013, the Company closed its initial public offering of 5,462,500 shares of its common stock (inclusive of 712,500 shares of common stock sold upon the exercise of the underwriters’ option to purchase additional shares) (IPO). The public offering price of the shares sold in the offering was $12.00 per share. The total gross proceeds from the offering to the Company were $65,550,000, and after deducting underwriting discounts and commissions and offering expenses payable by the Company, the aggregate net proceeds received by the Company totaled approximately $56,105,000. Upon the closing of the IPO, all shares of the Company’s outstanding convertible preferred stock and convertible notes automatically converted into shares of common stock and outstanding warrants to purchase convertible preferred stock and certain warrants to purchase common stock were exercised into shares of common stock (See Note 15). The Company is an early stage company with a limited operating history and has only recently begun commercializing its products. As of September 30, 2013, the Company had an accumulated deficit of $95,445,000 and expects to incur losses for the next several years. Until the IPO in August 2013, the Company had funded operations primarily with the net proceeds from the private placements of convertible preferred stock, convertible notes, promissory notes, term loans, as well as proceeds from the sale of its products and payments under strategic collaboration agreements and government grants. The Company will need to generate significant revenue to achieve and maintain profitability. As of September 30, 2013, the Company had working capital of $58,469,000, cash and cash equivalents of $40,775,000, and short-term investments of $12,684,000. On August 1, 2013, the Company amended and restated its certificate of incorporation to effect a reverse split of shares of its common stock at a 1-for-3.138458 ratio (See Note 14). The Company participates in a heavily regulated and highly competitive crop protection industry and believes that adverse changes in any of the following areas could have a material effect on the Company’s future financial position, results of operations, or cash flows: inability to obtain regulatory approvals, increased competition in the pesticide market, market acceptance of the Company’s products, weather and other seasonal factors beyond the Company’s control, litigation or claims against the Company based on intellectual property, patent, product, regulatory or other factors, and the Company’s ability to support increased growth.

1. Summary of Business

Marrone Bio Innovations, Inc. (Company), formerly Marrone Organic Innovations, Inc., was incorporated under the laws of the State of Delaware on June 15, 2006, and is located in Davis, California. In July 2012, the Company formed a wholly-owned subsidiary, Marrone Michigan Manufacturing LLC (MMM LLC), a Michigan corporation, which holds the assets of a manufacturing plant the Company purchased in July 2012 as discussed in Note 2. The Company makes bio-based pest management and plant health products. The Company targets the major markets that use conventional chemical pesticides, including certain agricultural and water markets where its bio-based products are used as substitutes for, or in conjunction with, conventional chemical pesticides. The Company also targets new markets for which there are no available conventional chemical pesticides, the use of conventional chemical pesticides may not be desirable or permissible, or the development of pest resistance has reduced the efficacy of conventional chemical pesticides. The Company delivers EPA-approved and registered biopesticide products and other bio-based products that address the global demand for effective, safe and environmentally responsible products.

The Company has filed a prospectus pursuant to Rule 424(b) under the Securities and Exchange Act, (hereafter referred to as the “Prospectus”) with the U.S. Securities and Exchange Commission (SEC) dated August 1, 2013. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and the notes thereto for the year ended December 31, 2012 included in the Prospectus.

In August 2013, the Company closed its initial public offering of 5,462,500 shares of its common stock (inclusive of 712,500 shares of common stock sold upon the exercise of the underwriters’ option to purchase additional shares) (IPO). The public offering price of the shares sold in the offering was $12.00 per share. The total gross proceeds from the offering to the Company were $65,550,000, and after deducting underwriting discounts and commissions and offering expenses payable by the Company, the aggregate net proceeds received by the Company totaled approximately $56,105,000. Upon the closing of the IPO, all shares of the Company’s outstanding convertible preferred stock and convertible notes automatically converted into shares of common stock and outstanding warrants to purchase convertible preferred stock and certain warrants to purchase common stock were exercised into shares of common stock (See Note 15).

The Company is an early stage company with a limited operating history and has only recently begun commercializing its products. As of September 30, 2013, the Company had an accumulated deficit of $95,445,000 and expects to incur losses for the next several years. Until the IPO in August 2013, the Company had funded operations primarily with the net proceeds from the private placements of convertible preferred stock, convertible notes, promissory notes, term loans, as well as proceeds from the sale of its products and payments under strategic collaboration agreements and government grants. The Company will need to generate significant revenue to achieve and maintain profitability. As of September 30, 2013, the Company had working capital of $58,469,000, cash and cash equivalents of $40,775,000, and short-term investments of $12,684,000.

On August 1, 2013, the Company amended and restated its certificate of incorporation to effect a reverse split of shares of its common stock at a 1-for-3.138458 ratio (See Note 14).

The Company participates in a heavily regulated and highly competitive crop protection industry and believes that adverse changes in any of the following areas could have a material effect on the Company’s future financial position, results of operations, or cash flows: inability to obtain regulatory approvals, increased competition in the pesticide market, market acceptance of the Company’s products, weather and other seasonal factors beyond the Company’s control, litigation or claims against the Company based on intellectual property, patent, product, regulatory or other factors, and the Company’s ability to support increased growth.