Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including additional amendments thereto) with respect to the shares of Common Stock, $0.01 par value, of Perceptron, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated: December 19, 2017

Moab Partners, L.P.
By:	Moab Capital Partners, LLC, its Investment Adviser
By:	/s/ Michael M. Rothenberg
	Name:	Michael M. Rothenberg
	Title:	Managing Director

Moab Capital Partners, LLC
By:	/s/ Michael M. Rothenberg
	Name:	Michael M. Rothenberg
	Title:	Managing Director

Moab private investments, LLC
By:	/s/ Michael M. Rothenberg
	Name:	Michael M. Rothenberg
	Title:	Sole Member

/s/ Michael M. Rothenberg

Michael M. Rothenberg