Investments in Securities (Tables)

9 Months Ended

Sep. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Summary of investment in securities

The following is a summary of investment in securities at September 30, 2018:

		September 30, 2018
	Contractual Maturity (in months)	Cost			Gross Unrealized Gains		Gross Unrealized Losses		Fair Market  Value
Mutual funds		$	—		$	—	$	—	$	—
Corporate fixed income securities	Less than 12 months			2,447		1		—		2,448
Total investments		$	2,447		$	1	$	—	$	2,448