Investments	6 Months Ended
Jun. 30, 2018
Equity Method Investments and Joint Ventures [Abstract]
Investments	Equity Investments On December 23, 2016, the Company acquired a 25.0% equity interest in Ruby Sketch Pty Ltd. (“Ruby Sketch”), an Australian proprietary limited company, for $2.5 million, for which the Company accounts for its ownership interest using the equity accounting method. Ruby Sketch develops software that assists in designing residential structures, primarily used in Australia, and potentially for the North America market. The Company has no obligation to make any additional capital contributions to Ruby Sketch. The Company recorded a $2 thousand equity gain and an equity loss of $12 thousand for the three months ended June 30, 2018 and 2017, respectively. For the six months ended June 30, 2018 and 2017, the Company recorded equity loss of $22 thousand and $41 thousand, respectively. The carrying amount of the investment as of June 30, 2018 and 2017 and December 31, 2017 was $2.5 million.

Investments

6 Months Ended

Jun. 30, 2018

Equity Method Investments and Joint Ventures [Abstract]

Equity Investments

On December 23, 2016, the Company acquired a 25.0% equity interest in Ruby Sketch Pty Ltd. (“Ruby Sketch”), an Australian proprietary limited company, for $2.5 million, for which the Company accounts for its ownership interest using the equity accounting method. Ruby Sketch develops software that assists in designing residential structures, primarily used in Australia, and potentially for the North America market. The Company has no obligation to make any additional capital contributions to Ruby Sketch.

The Company recorded a $2 thousand equity gain and an equity loss of $12 thousand for the three months ended June 30, 2018 and 2017, respectively. For the six months ended June 30, 2018 and 2017, the Company recorded equity loss of $22 thousand and $41 thousand, respectively. The carrying amount of the investment as of June 30, 2018 and 2017 and December 31, 2017 was $2.5 million.