BASIS OF PRESENTATION	12 Months Ended
Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
BASIS OF PRESENTATION	1. BASIS OF PRESENTATION Pioneer Power Solutions, Inc. and its wholly owned subsidiaries (referred to herein as the “Company,” “Pioneer,” “we,” “our” and “us”) manufacture, sell and service a broad range of specialty electrical transmission, distribution and on-site power generation equipment for applications in the utility, industrial, commercial and backup power markets. The Company is headquartered in Fort Lee, New Jersey and operates from twelve (12) additional locations in the U.S., Canada and Mexico for manufacturing, centralized distribution, engineering, sales and administration. Acquisitions On January 16, 2015, the Company acquired substantially all the assets of Harmonics Holdings Inc. (doing business as “Harmonics Limited” or “Harmonics”), a New Haven, Connecticut based specialty provider of equipment that incorporates a patented technology for the elimination of harmonic currents in power distribution systems. See Note 3 – Acquisitions. On August 1, 2015, the Company acquired substantially all of the assets of Pacific Power Systems Integration, Inc., a Santa Fe Springs, California based manufacturer of custom electrical power distribution and control equipment, with a specific emphasis on low voltage draw-out, metal-enclosed and metal-clad switchgear. See Note 3 – Acquisitions. NASDAQ Listing On September 24, 2013, the Company completed an underwritten public offering of 1,265,000 shares of its common stock at a gross sales price of $7.00 per share, resulting in net proceeds to the Company of approximately $7.9 million, after deducting underwriting discounts and commissions and other offering expenses. In connection with the public offering, the Company’s common stock began trading on the Nasdaq Capital Market under the symbol PPSI. In September 2015, the Company completed a public offering and issued 1,125,000 shares of its common stock at a gross sales price of $4.00 per share, resulting in $3.9 million in net proceeds after deducting the underwriting discount and costs directly attributable to the offering. Subsequent to the end of the third quarter, on October 5, 2015, the underwriters exercised their over-allotment option to purchase an additional 168,750 shares from the Company at the public offering price of $4.00 per share, resulting in an additional $0.6 million in net proceeds after deducting the underwriting discount. Segments In determining operating and reportable segments in accordance with ASC 280, Segment Reporting (“ASC 280”), the Company concluded that it has two reportable segments, which are also our operating segments: Transmission & Distribution Solutions (“T&D Solutions”) and Critical Power Solutions. As a result of the restructuring plans implemented during calendar year 2015, the activities of our Pioneer Critical Power switchgear operations have been transferred to the T&D Solutions segment as of January 1, 2016. For comparison purposes, prior periods presented have been adjusted to reflect this reclassification. Financial information about the Company’s segments is presented in Note 16 – Business Segment, Geographic and Customer Information. Classification of Expenses As the Company implemented the remediation plans discussed under the heading “Item 9A. Controls and Procedures” of this Annual Report on Form 10-K, the Company has determined that there were inconsistencies in classification of expenses between its business units. As a result, the Company has reclassified certain expenses from cost of goods sold to operating expenses for the year ended December 31, 2016. The Company has made the same reclassification to the results for the year ended December 31, 2015, resulting in an increase to gross profit of $332, or 0.31% as a percentage of sales as presented for this period. Rounding All dollar amounts (except share and per share data) presented are stated in thousands of dollars, unless otherwise noted. Amounts may not foot due to rounding.

BASIS OF PRESENTATION

12 Months Ended

Dec. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

1. BASIS OF PRESENTATION

Pioneer Power Solutions, Inc. and its wholly owned subsidiaries (referred to herein as the “Company,” “Pioneer,” “we,” “our” and “us”) manufacture, sell and service a broad range of specialty electrical transmission, distribution and on-site power generation equipment for applications in the utility, industrial, commercial and backup power markets. The Company is headquartered in Fort Lee, New Jersey and operates from twelve (12) additional locations in the U.S., Canada and Mexico for manufacturing, centralized distribution, engineering, sales and administration.

Acquisitions

On January 16, 2015, the Company acquired substantially all the assets of Harmonics Holdings Inc. (doing business as “Harmonics Limited” or “Harmonics”), a New Haven, Connecticut based specialty provider of equipment that incorporates a patented technology for the elimination of harmonic currents in power distribution systems. See Note 3 – Acquisitions.

On August 1, 2015, the Company acquired substantially all of the assets of Pacific Power Systems Integration, Inc., a Santa Fe Springs, California based manufacturer of custom electrical power distribution and control equipment, with a specific emphasis on low voltage draw-out, metal-enclosed and metal-clad switchgear. See Note 3 – Acquisitions.

NASDAQ Listing

On September 24, 2013, the Company completed an underwritten public offering of 1,265,000 shares of its common stock at a gross sales price of $7.00 per share, resulting in net proceeds to the Company of approximately $7.9 million, after deducting underwriting discounts and commissions and other offering expenses. In connection with the public offering, the Company’s common stock began trading on the Nasdaq Capital Market under the symbol PPSI.

In September 2015, the Company completed a public offering and issued 1,125,000 shares of its common stock at a gross sales price of $4.00 per share, resulting in $3.9 million in net proceeds after deducting the underwriting discount and costs directly attributable to the offering. Subsequent to the end of the third quarter, on October 5, 2015, the underwriters exercised their over-allotment option to purchase an additional 168,750 shares from the Company at the public offering price of $4.00 per share, resulting in an additional $0.6 million in net proceeds after deducting the underwriting discount.

Segments

In determining operating and reportable segments in accordance with ASC 280, Segment Reporting (“ASC 280”), the Company concluded that it has two reportable segments, which are also our operating segments: Transmission & Distribution Solutions (“T&D Solutions”) and Critical Power Solutions. As a result of the restructuring plans implemented during calendar year 2015, the activities of our Pioneer Critical Power switchgear operations have been transferred to the T&D Solutions segment as of January 1, 2016. For comparison purposes, prior periods presented have been adjusted to reflect this reclassification. Financial information about the Company’s segments is presented in Note 16 – Business Segment, Geographic and Customer Information.

Classification of Expenses

As the Company implemented the remediation plans discussed under the heading “Item 9A. Controls and Procedures” of this Annual Report on Form 10-K, the Company has determined that there were inconsistencies in classification of expenses between its business units. As a result, the Company has reclassified certain expenses from cost of goods sold to operating expenses for the year ended December 31, 2016. The Company has made the same reclassification to the results for the year ended December 31, 2015, resulting in an increase to gross profit of $332, or 0.31% as a percentage of sales as presented for this period.

Rounding

All dollar amounts (except share and per share data) presented are stated in thousands of dollars, unless otherwise noted. Amounts may not foot due to rounding.