Restricted Cash and Short-term Investments

6 Months Ended

Jun. 30, 2018

Disclosure Text Block

Restricted Cash and Short-term Investments

5. Restricted Cash and Short-term Investments

The Company’s restricted cash balance of $31,591 as of June 30, 2018 consisted of BeiGene Guangzhou Factory’s secured deposits held in designated bank accounts for issuance of letter of credit, and restricted cash deposits as security for the long-term bank loan (Note 13).

Short-term investments as of June 30, 2018 consisted of the following available-for-sale debt securities and time deposits:

		Gross	Gross	Fair Value
	Amortized	Unrealized	Unrealized	(Net Carrying
	Cost	Gains	Losses	Amount)
	$	$	$	$
U.S. treasury securities	902,771	644	—	903,415
U.S. agency securities	17,612	9	—	17,621
Time deposits	10,172	—	—	10,172
Total	930,555	653	—	931,208

Short-term investments as of December 31, 2017 consisted of the following available-for-sale debt securities and time deposits:

		Gross	Gross	Fair Value
	Amortized	Unrealized	Unrealized	(Net Carrying
	Cost	Gains	Losses	Amount)
	$	$	$	$
U.S. treasury securities	561,733	—	406	561,327
U.S. agency securities	17,651	12	—	17,663
Time deposits	18,924	—	—	18,924
Total	598,308	12	406	597,914

Contractual maturities of all debt securities as of June 30, 2018 were within one year. The Company does not consider the investment in U.S. treasury securities or U.S. agency securities to be other-than-temporarily impaired at June 30, 2018.