Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 11,251	$ 25,990
Restricted cash	1,473	1,473
Accounts receivable, net of allowance of $233 and $163, respectively	8,647	6,848
Contract assets	2,192	1,639
Deferred contract acquisition costs, current	3,698	3,464
Prepaid and other current assets	6,679	6,196
Total current assets	33,940	45,610
Property and equipment, net	2,471	2,115
Operating lease right-of-use assets	2,264	2,497
Contract assets, noncurrent	10,616	11,800
Deferred contract acquisition costs, noncurrent	9,237	8,749
Goodwill	71,604	71,604
Intangible assets, net	32,703	36,459
Deferred income taxes	789	793
Other assets	231	147
Total assets	163,855	179,774
Current liabilities:
Accounts payable	5,252	4,483
Accrued expenses	13,503	12,232
Operating lease liabilities, current	758	798
Deferred revenue, current	5,309	4,813
Total current liabilities	24,822	22,326
Deferred revenue, noncurrent	554	906
Operating lease liabilities, noncurrent	1,724	1,891
Convertible senior notes, net	73,162	72,968
Derivative liability	124,640	78,497
Total liabilities	224,902	176,588
Commitments and contingencies (Note 11)
Stockholders’ (deficit) equity:
Preferred stock, $0.001 par value per share; 1,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.001 par value per share; 270,000,000 shares authorized; 131,793,660 shares issued and outstanding at March 31, 2022 and December 31, 2021	132	132
Additional paid-in capital	509,729	509,586
Accumulated other comprehensive loss	(1,682)	(1,900)
Accumulated deficit	(569,226)	(504,632)
Total stockholders’ (deficit) equity	(61,047)	3,186
Total liabilities and stockholders’ (deficit) equity	$ 163,855	$ 179,774