3.	Investments

The Company’s investments consist of mutual funds which are part of the Computer Task Group, Incorporated Non-qualified Key Employee Deferred Compensation Plan. At December 31, 2017 and 2016, the Company’s investment balances, which are classified as trading securities, totaled approximately $0.4 million and $0.4 million, respectively, and were measured at fair value. As there is an active trading market for these funds, fair value was determined using Level 1 inputs (see note 1 “Summary of Significant Accounting Policies—Fair Value”). Unrealized gains and losses on these securities are recorded in earnings and were nominal in 2017, 2016, and 2015.