Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 18,615	$ 31,894
Accounts receivable, net of allowance of $210 and $294 at December 31, 2023 and December 31, 2022, respectively	33,451	26,004
Prepaid expenses	6,569	8,700
Other current assets	11,764	10,722
Total current assets	70,399	77,320
Property and equipment, net	42,476	39,677
Operating lease right-of-use asset	16,233	18,671
Intangible assets, net	6,368	10,279
Goodwill	74,859	74,859
Other assets	5,772	7,007
Total assets	216,107	227,813
Current liabilities:
Accounts payable	14,422	11,326
Accrued expenses	17,566	26,877
Operating lease liability	4,486	4,157
Deferred revenue	68,155	61,597
Total current liabilities	104,629	103,957
Operating lease liability, net of current portion	17,358	20,528
Other liabilities	207	981
Total liabilities	122,194	125,466
Commitments and contingencies (Note 9)
Stockholders' equity:
Undesignated preferred stock, $0.001 par value; 5,000,000 shares authorized; no shares issued
Common stock, $0.001 par value; 100,000,000 shares authorized; 43,833,919 and 42,449,677 shares issued at December 31, 2023 and 2022, respectively	44	42
Additional paid-in capital	328,918	314,825
Treasury stock, at cost; 135,000 shares	(871)	(871)
Accumulated other comprehensive loss	(1,236)	(1,593)
Accumulated deficit	(232,942)	(210,056)
Total stockholders' equity	93,913	102,347
Total liabilities and stockholders' equity	$ 216,107	$ 227,813