Investments (Tables)

6 Months Ended

Jun. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Schedule of Amortized Cost of Unrealized Gains and Losses and Fair Value of Investments

The amortized cost, unrealized gains and losses and fair value of investments available-for-sale as of December 31, 2018 were as follows:

	Amortized Cost		Unrealized Gain		Unrealized Loss		Fair Value
Corporate bonds and notes – short-term	$	634	$	—	$	—	$	634
Total investments	$	634	$	—	$	—	$	634

The amortized cost, unrealized gains and losses and fair value of investments available-for-sale as of June 30, 2019 were as follows:

	Amortized Cost		Unrealized Gain		Unrealized Loss		Fair Value
Corporate commercial paper, bonds and notes – short-term	$	8,099	$	—	$	—	$	8,099
Total investments	$	8,099	$	—	$	—	$	8,099