Related Party Transactions

3 Months Ended

Mar. 31, 2018

M.	Related Party Transactions

Certain balances held and invested in various mutual funds are managed by a related entity (the "Fund Manager"), which is related through a common director who is also a 10% stockholder and currently serves as an executive officer of the Fund Manager. The brokerage and fund transactions in 2018 and 2017 were directed solely at the discretion of the Company’s management.

As of March 31, 2018, the balance with the Fund Manager totaled $15,581,000 which is classified as marketable securities on the accompanying consolidated balance sheet. Amounts invested generated $32,000 of investment income during 2018 that is included within other income, net on the accompanying consolidated statement of operations.

As of December 31, 2017, the balance with the Fund Manager totaled $14,842,000, including $11,050,000 which is classified as cash and cash equivalents on the accompanying consolidated balance sheet, and $3,792,000 which is classified as marketable securities on the accompanying consolidated balance sheet.