CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (10,021)	$ (5,160)
Adjustments to reconcile net loss to net cash used in operating activities:
Provision for transaction losses	767	415
Depreciation and amortization	2,308	1,532
Amortization of debt issuance costs	13	13
Amortization of discount on purchases of marketable securities	(174)	(283)
Amortization of operating lease asset	969	1,072
Tides Foundation common stock warrant expense	188	252
Stock-based compensation expense	5,537	4,295
Changes in operating assets and liabilities:
Trade and client receivables	(5,891)	(26,149)
Prepaid expenses and other assets	(464)	(886)
Operating lease liability	(459)	(378)
Accounts payable	994	(596)
Accrued expenses and other liabilities	3,881	(4,125)
Deferred revenue	650	603
Net cash used in operating activities	(1,702)	(29,395)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of marketable securities	(26,789)	(71,713)
Proceeds from maturities of marketable securities	33,000	0
Purchases of property and equipment	(1,288)	(3,604)
Internal-use software and platform development costs	(1,999)	(1,210)
Net cash provided by (used in) investing activities	2,924	(76,527)
CASH FLOWS FROM FINANCING ACTIVITIES:
Changes in escrow funds payable	14,834	21,899
Proceeds from exercises of stock options	3,165	764
Proceeds from borrowings on debt	15,000	25,000
Repayment of debt	(1,893)	0
Net cash provided by financing activities	31,106	47,663
NET CHANGE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	32,328	(58,259)
Cash, cash equivalents, and restricted cash—beginning of period	159,603	230,067
Cash, cash equivalents, and restricted cash—end of period	191,931	171,808
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest	239	357
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING ACTIVITIES:
Property and equipment purchased but not yet paid	2,435	1,190
Internal-use software and platform development costs incurred but not yet paid	$ 40	$ 20