401(k) Plan	12 Months Ended
Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract]
401(k) Plan	401(k) Plan The Company sponsors a 401(k) plan to provide retirement benefits for its U.S. employees. As allowed under Section 401(k) of the Internal Revenue Code, MRV's plan provides for tax-deferred salary contributions for eligible employees. The Plan allows employees to contribute a portion of their annual compensation to the plan on a pretax basis. The Company currently matches pretax contributions up to 50% of the first 6% of eligible earnings contributed by employees. Matching contributions to the Plan totaled approximately $521,000, $424,000, and $562,000 for the years ended December 31, 2016, 2015, and 2014, respectively.

401(k) Plan

12 Months Ended

Dec. 31, 2016

Compensation and Retirement Disclosure [Abstract]

The Company sponsors a 401(k) plan to provide retirement benefits for its U.S. employees. As allowed under Section 401(k) of the Internal Revenue Code, MRV's plan provides for tax-deferred salary contributions for eligible employees. The Plan allows employees to contribute a portion of their annual compensation to the plan on a pretax basis. The Company currently matches pretax contributions up to 50% of the first 6% of eligible earnings contributed by employees. Matching contributions to the Plan totaled approximately $521,000, $424,000, and $562,000 for the years ended December 31, 2016, 2015, and 2014, respectively.