Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 228,827	$ 227,188
Short-term investments	2,879	2,620
Accounts receivable, net of allowance for doubtful accounts of $847 and $725 as of March 31, 2023 and December 31, 2022, respectively	56,627	66,474
Prepaid expenses and other current assets	6,453	10,013
Total current assets	294,786	306,295
Property and equipment, net	5,176	5,537
Goodwill	18,871	18,904
Intangible assets, net	10,848	11,079
Operating lease right-of-use assets	16,984	15,855
Deferred contract costs	47,794	48,553
Other assets	7,052	9,310
Total assets	401,511	415,533
Liabilities, mezzanine equity, and stockholders’ equity
Accounts payable	1,451	1,519
Accrued expenses and other liabilities	35,057	47,784
Current portion of deferred revenue	91,479	93,405
Total current liabilities	127,987	142,708
Long-term operating lease liabilities	11,755	11,348
Long-term portion of deferred revenue	7,710	8,085
Earn-out shares liabilities	6,922	6,631
Other non-current liabilities	5,839	3,607
Total liabilities	160,213	172,379
Commitments and contingencies
Mezzanine equity
Redeemable noncontrolling interest	14,057	14,007
Total mezzanine equity	14,057	14,007
Common stock, $0.0001 par value; 1,000,000 shares authorized, 186,788 and 185,278 shares issued and outstanding	19	19
Additional paid-in capital	674,768	665,715
Treasury stock	(23,477)	(21,666)
Accumulated other comprehensive income	2,055	2,006
Accumulated deficit	(426,124)	(416,927)
Total stockholders’ equity	227,241	229,147
Total liabilities, mezzanine equity, and stockholders’ equity	$ 401,511	$ 415,533