DESCRIPTION OF BUSINESS	12 Months Ended
Mar. 31, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract]
DESCRIPTION OF BUSINESS	NOTE 1 — DESCRIPTION OF BUSINESS Organization Orion includes Orion Energy Systems, Inc., a Wisconsin corporation, and all consolidated subsidiaries. Orion is a developer, manufacturer and seller of lighting and energy management systems to commercial and industrial businesses, and federal and local governments, predominantly in North America. Orion’s corporate offices and leased primary manufacturing operations are located in Manitowoc, Wisconsin. Orion also leases office space in Jacksonville, Florida and warehouse space in Manitowoc, Wisconsin. During fiscal 2018 and fiscal 2017 Orion had leased warehouse space in Augusta, Georgia, but as of March 31, 2018, Orion had vacated this storage location. In fiscal 2018, we did not renew the leases for our 5,600 square foot of office space in Houston, Texas and our 3,100 square foot of office space in Chicago, Illinois. The leases terminated as of April 30, 2018 and May 31, 2018, respectively.

DESCRIPTION OF BUSINESS

12 Months Ended

Mar. 31, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

NOTE 1 — DESCRIPTION OF BUSINESS

Organization

Orion includes Orion Energy Systems, Inc., a Wisconsin corporation, and all consolidated subsidiaries. Orion is a developer, manufacturer and seller of lighting and energy management systems to commercial and industrial businesses, and federal and local governments, predominantly in North America.

Orion’s corporate offices and leased primary manufacturing operations are located in Manitowoc, Wisconsin. Orion also leases office space in Jacksonville, Florida and warehouse space in Manitowoc, Wisconsin. During fiscal 2018 and fiscal 2017 Orion had leased warehouse space in Augusta, Georgia, but as of March 31, 2018, Orion had vacated this storage location.

In fiscal 2018, we did not renew the leases for our 5,600 square foot of office space in Houston, Texas and our 3,100 square foot of office space in Chicago, Illinois. The leases terminated as of April 30, 2018 and May 31, 2018, respectively.