Investment Securities (Tables)

3 Months Ended

Mar. 31, 2018

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Securities [Table Text Block]

Our short and long-term investment securities consisted of the following (in thousands):



	As of March 31, 2018
	Amortized Cost		Unrealized Holding Gains (Losses)		Fair Value
Short-term corporate bonds	$	14,180	$	—	$	14,180
Long-term corporate bonds	9,896		—		9,896
Total investment securities	$	24,076	$	—	$	24,076

	As of December 31, 2017
	Amortized Cost		Unrealized Holding Gains (Losses)		Fair Value
Short-term corporate bonds	$	10,061	$	—	$	10,061
Long-term corporate bonds	14,579		—		14,579
Total investment securities	$	24,640	$	—	$	24,640

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References + Details