Basis of presentation	9 Months Ended
Sep. 30, 2014
Accounting Policies [Abstract]
Basis of presentation	3. Basis of presentation *Unaudited condensed consolidated financial statements* The unaudited condensed consolidated financial statements of Power Solutions International, Inc. present information in accordance with GAAP, have been prepared pursuant to the rules and regulations of the SEC for interim financial reporting and, in the opinion of management, reflect all normal and recurring adjustments necessary to present fairly the interim periods of the unaudited condensed consolidated financial position, results of operations and cash flows of the Company and its wholly-owned subsidiaries for the periods presented. These unaudited condensed consolidated financial statements should be read in conjunction with, and have been prepared in conformity with the accounting principles reflected in, the consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2013. As these financial statements have been prepared pursuant to the rules and regulations of the SEC, certain information and disclosures normally included in annual financial statements and related notes prepared in accordance with GAAP have been condensed or omitted. The results of operations for the three and nine months ended September 30, 2014 are not necessarily indicative of the results to be expected for the full year. *Principles of consolidation* The unaudited condensed consolidated financial statements presented herein include the accounts of Power Solutions International, Inc. and its direct and indirect wholly owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation. *Significant accounting policies* The Company’s significant accounting policies as of December 31, 2013 are described in the Company’s Annual Report on Form 10-K, filed with the Securities and Exchange Commission on February 28, 2014. There have been no material changes with respect to the Company’s significant accounting policies subsequent to December 31, 2013, with the exception of goodwill and other intangibles. Pursuant to the acquisition of 3PI, during the second quarter of 2014, the Company adopted a significant accounting policy for goodwill and other intangible assets. See Note 2, “Acquisition of Professional Power Products, Inc.”, for further discussion.

3. Basis of presentation

Unaudited condensed consolidated financial statements

The unaudited condensed consolidated financial statements of Power Solutions International, Inc. present information in accordance with GAAP, have been prepared pursuant to the rules and regulations of the SEC for interim financial reporting and, in the opinion of management, reflect all normal and recurring adjustments necessary to present fairly the interim periods of the unaudited condensed consolidated financial position, results of operations and cash flows of the Company and its wholly-owned subsidiaries for the periods presented.

These unaudited condensed consolidated financial statements should be read in conjunction with, and have been prepared in conformity with the accounting principles reflected in, the consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2013. As these financial statements have been prepared pursuant to the rules and regulations of the SEC, certain information and disclosures normally included in annual financial statements and related notes prepared in accordance with GAAP have been condensed or omitted. The results of operations for the three and nine months ended September 30, 2014 are not necessarily indicative of the results to be expected for the full year.

Principles of consolidation

The unaudited condensed consolidated financial statements presented herein include the accounts of Power Solutions International, Inc. and its direct and indirect wholly owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.

Significant accounting policies

The Company’s significant accounting policies as of December 31, 2013 are described in the Company’s Annual Report on Form 10-K, filed with the Securities and Exchange Commission on February 28, 2014. There have been no material changes with respect to the Company’s significant accounting policies subsequent to December 31, 2013, with the exception of goodwill and other intangibles. Pursuant to the acquisition of 3PI, during the second quarter of 2014, the Company adopted a significant accounting policy for goodwill and other intangible assets. See Note 2, “Acquisition of Professional Power Products, Inc.”, for further discussion.