Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash	$ 487,295	$ 239,758
Accounts receivable, including related party amounts of $457 and $821 as of September 30, 2018 and December 31, 2017, respectively	552	2,626
Prepaid expenses and other current assets, including related party amounts of $52 and $1,871 as of September 30, 2018 and December 31, 2017, respectively	8,841	6,001
Total current assets	496,688	248,385
Property and equipment, net	18,097	18,857
Intangible assets, net	303	344
Restricted cash	3,165	3,154
Other non-current assets	650	606
Total assets	518,903	271,346
Current liabilities:
Accounts payable	5,221	1,639
Accrued expenses, including related party amounts of $234 and $0 as of September 30, 2018 and December 31, 2017, respectively	25,835	11,361
Accrued tax liabilities	24	347
Deferred rent	1,027	1,027
Other current liabilities	171	137
Total current liabilities	32,278	14,511
Deferred revenue non-current, including related party amounts of $0 and $91 as of September 30, 2018 and December 31, 2017, respectively	57,806	56,928
Deferred rent non-current	11,232	11,761
Other non-current liabilities	273	314
Total liabilities	101,589	83,514
Commitments and contingencies, see Note 5
Shareholders’ equity:
Common shares, CHF 0.03 par value, 51,893,132 and 41,092,969 shares authorized at September 30, 2018 and December 31, 2017, respectively, 51,862,415 and 41,037,121 shares issued at September 30, 2018 and December 31, 2017, respectively, 51,554,479 and 40,592,248 shares outstanding at September 30, 2018 and December 31, 2017, respectively, 19,520,914 and 16,419,632 shares in conditional capital at September 30, 2018 and December 31, 2017, respectively.	1,575	1,240
Treasury shares, at cost, 307,936 and 444,873 shares at September 30, 2018 and December 31, 2017, respectively	(57)	0
Additional paid-in capital	659,776	312,018
Accumulated deficit	(243,979)	(125,440)
Accumulated other comprehensive income	(1)	14
Total shareholders' equity	417,314	187,832
Total liabilities and shareholders’ equity	$ 518,903	$ 271,346

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682