CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income/(loss)	$ (8,273)	$ 663
Adjustments to reconcile net income/(loss) to net cash used in operating activities:
Stock-based compensation	6,382	6,807
Depreciation	1,343	1,063
Non-cash lease expense	996	766
Amortization of intangible assets	888	1,252
Other non-cash adjustments	487	504
Changes in operating assets and liabilities:
Accounts receivable	(13,491)	(7,356)
Prepaid royalties	(6,310)	(370)
Deferred royalties	(1)	597
Deferred platform commission fees	232	1,109
Prepaid expenses and other assets	(128)	397
Accounts payable and other accrued liabilities	7,494	7,252
Accrued compensation	(1,829)	(10,303)
Accrued royalties	(2,939)	(678)
Deferred revenue	(803)	(3,296)
Other long-term liabilities	1	(20)
Operating lease liabilities	(901)	(775)
Net cash used in operating activities	(16,852)	(2,388)
Cash flows from investing activities:
Purchase of property and equipment	(4,830)	(1,137)
Other investing activities		(100)
Net cash used in investing activities	(4,830)	(1,237)
Cash flows from financing activities:
Proceeds from exercise of stock options and purchases under the ESPP	11,231	2,978
Taxes paid related to net share settlement of equity awards	(1,720)	(3,956)
Net cash provided by/(used in) financing activities	9,511	(978)
Effect of exchange rate changes on cash	(174)	(36)
Net decrease in cash, cash equivalents and restricted cash	(12,345)	(4,639)
Cash, cash equivalents and restricted cash at beginning of period	127,053	97,944
Cash, cash equivalents and restricted cash at end of period	114,708	93,305
Reconciliation of cash, cash equivalents, and restricted cash to the condensed consolidated balance sheets
Cash, cash equivalents and restricted cash	$ 114,708	$ 93,305