CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 25,082	$ 29,963
Accounts receivable, net of allowance for doubtful accounts of $74 and $138 at March 31, 2022 and December 31, 2021	4,131	3,763
Unbilled receivables	3,175	3,087
Tax receivable	1,411	1,411
Prepaid expenses and other current assets	985	591
Total current assets	34,784	38,815
Property and equipment, net	3,095	3,216
Intangible assets, net	3,118	3,222
Goodwill	3,120	3,120
Note receivable	2,507	0
Total assets	46,624	48,373
Current liabilities:
Accounts payable	472	283
Accrued expenses	1,260	1,909
Deferred revenue	3,071	3,549
Current portion of contingent acquisition payment	406	0
Total current liabilities	5,209	5,741
Long-term deferred revenue	229	191
Long-term portion of contingent acquisition payment	513	919
Total long-term liabilities	742	1,110
Stockholders’ equity:
Preferred stock, $1.00 par value; 1,000,000 shares authorized, none outstanding	0	0
Common stock, $.01 par value; 70,000,000 shares authorized; issued and outstanding of 21,642,260 as of March 31, 2022 and 21,613,982 as of December 31, 2021	216	216
Additional paid-in capital	98,208	97,778
Accumulated deficit	(57,751)	(56,472)
Total stockholders’ equity	40,673	41,522
Total liabilities and stockholders’ equity	$ 46,624	$ 48,373