CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income/(loss)	$ (16,839)	$ 3,170
Adjustments to reconcile net income/(loss) to net cash used in operating activities:
Stock-based compensation	14,488	8,842
Depreciation	2,709	2,088
Non-cash lease expense	2,013	1,409
Amortization of intangible assets	1,775	2,308
Other non-cash adjustments	225	448
Changes in operating assets and liabilities:
Accounts receivable	(35,310)	(12,782)
Prepaid royalties	(6,562)	(578)
Deferred royalties	(4,422)	(475)
Deferred platform commission fees	(14,380)	(752)
Prepaid expenses and other assets	(9,599)	70
Accounts payable and other accrued liabilities	12,052	13,648
Accrued compensation	4,492	(10,367)
Accrued royalties	(1,962)	(1,760)
Deferred revenue	47,869	3,084
Other long-term liabilities	310	12
Operating lease liabilities	134	(1,476)
Net cash generated from/(used in) operating activities	(3,007)	6,889
Cash flows from investing activities:
Purchase of property and equipment	(5,733)	(2,127)
Other investing activities		(155)
Net cash used in investing activities	(5,733)	(2,282)
Cash flows from financing activities:
Proceeds from exercise of stock options and purchases under the ESPP	16,578	3,447
Proceeds from follow-on public offering, net of issuance costs	151,773
Taxes paid related to net share settlement of equity awards	(3,460)	(6,417)
Net cash provided by/(used in) financing activities	164,891	(2,970)
Effect of exchange rate changes on cash	(147)	(83)
Net increase in cash, cash equivalents and restricted cash	156,004	1,554
Cash, cash equivalents and restricted cash at beginning of period	127,053	97,944
Cash, cash equivalents at end of period	283,057	99,498
Reconciliation of cash, cash equivalents, and restricted cash to the condensed consolidated balance sheets
Cash, cash equivalents and restricted cash	$ 283,057	$ 99,498