Investment in Equity Securities

6 Months Ended

Jun. 30, 2017

Investments, All Other Investments [Abstract]

Cost-method Investments, Description

Note 4. Investment in Equity Securities

As of June 30, 2017 and December 31, 2016, the Company had a $579,000 investment in the common stock of Mevion, representing an approximate 0.46% interest in Mevion. The Company accounts for this investment under the cost method. The Company carries its investment in Mevion at cost and reviews it for impairment on a quarterly basis, or as events or circumstances might indicate that the carrying value of the investment may not be recoverable.

The Company reviewed this investment at June 30, 2017 in light of both current market conditions and the current operations of Mevion as they continue to grow their PBRT business. Based on its analysis, the Company determined no additional impairment needed to be recognized as of June 30, 2017.