CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 89,785	$ 21,262
Accounts receivable, net	39,907	48,348
Other receivables	2,748	2,898
Prepaid expenses and other assets	3,658	2,121
Total current assets	136,098	74,629
PROPERTY AND EQUIPMENT, net	7,363	7,319
INTANGIBLE ASSETS, net	359	528
CAPITALIZED SOFTWARE DEVELOPMENT COSTS, net	880	433
DEFERRED FI IMPLEMENTATION COSTS, net	12,119	13,625
OTHER LONG-TERM ASSETS	988	4,224
Total assets	157,807	100,758
CURRENT LIABILITIES:
Accounts payable	1,783	1,554
Accrued liabilities:
Accrued compensation	3,263	4,638
Accrued expenses	3,918	4,615
FI Share liability	21,376	23,914
Consumer Incentive liability	6,949	7,242
Deferred billings	189	132
Short-term warrant liability	17,666	0
Short-term debt:
Line of credit	25,634	0
Capital leases	23	44
Total current liabilities	80,801	42,139
LONG-TERM LIABILITIES:
Deferred liabilities	3,554	3,670
Long-term warrant liability	0	10,230
Long-term debt, net of current portion:
Line of credit	0	25,081
Term loan	32,842	31,830
Capital leases	52	57
Total long-term liabilities	36,448	70,868
COMMITMENTS AND CONTINGENCIES (Note 8)
REDEEMABLE CONVERTIBLE PREFERRED STOCK:
Redeemable convertible preferred stock	0	196,437
STOCKHOLDERS’ (DEFICIT) EQUITY:
Common stock, $0.0001 par value—83,000 and 100,000 shares authorized and 3,439 and 20,226 shares issued and outstanding as of December 31, 2017 and March 31, 2018, respectively	7	0
Additional paid-in capital	328,493	58,693
Accumulated other comprehensive income	558	1,066
Accumulated deficit	(288,500)	(268,445)
Total stockholders’ (deficit) equity	40,558	(208,686)
Total liabilities and stockholders’ (deficit) equity	157,807	100,758
Series G’ Stock
REDEEMABLE CONVERTIBLE PREFERRED STOCK:
Redeemable convertible preferred stock	0	44,672
Series G Stock
REDEEMABLE CONVERTIBLE PREFERRED STOCK:
Redeemable convertible preferred stock	0	5,110
Series F-R Stock
REDEEMABLE CONVERTIBLE PREFERRED STOCK:
Redeemable convertible preferred stock	0	58,449
Series E-R Stock
REDEEMABLE CONVERTIBLE PREFERRED STOCK:
Redeemable convertible preferred stock	0	29,972
Series D-R Stock
REDEEMABLE CONVERTIBLE PREFERRED STOCK:
Redeemable convertible preferred stock	0	32,728
Series C-R Stock
REDEEMABLE CONVERTIBLE PREFERRED STOCK:
Redeemable convertible preferred stock	0	18,366
Series B-R Stock
REDEEMABLE CONVERTIBLE PREFERRED STOCK:
Redeemable convertible preferred stock	0	5,288
Series A-R Stock
REDEEMABLE CONVERTIBLE PREFERRED STOCK:
Redeemable convertible preferred stock	$ 0	$ 1,852