Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash	$ 31,614	$ 20,399
Marketable securities	5,147	4,973
Accounts receivable, net	5,875	13,220
Other current assets	5,887	3,729
Total current assets	48,523	42,321
Investments	3,634	5,180
Property and equipment, at cost less accumulated depreciation	11,681	12,006
Other long-term assets	2,947	3,725
Total assets	66,785	63,232
Current liabilities:
Accounts payable	1,708	2,011
Deferred revenue, current portion	3,743	1,094
Accrued payroll	1,941	1,888
Accrued expenses	806	525
Other current liabilities	2,043	2,025
Total current liabilities	10,241	7,543
Commitments and Contingencies (see Note 8)
Commitments and Contingencies
Deferred revenue, net of current portion	361	473
Deferred tax liability	541	472
Long-term lease obligation	1,367	1,981
Total noncurrent liabilities	2,269	2,926
Stockholders’ equity:
Outstanding shares – 8,440,356 and 8,502,735 at September 30, 2023 and December 31, 2022, respectively	90	90
Additional paid-in capital	16,621	16,471
Treasury stock, 575,784 and 507,384 shares at September 30, 2023 and December 31, 2022, respectively, at cost	(18,213)	(16,662)
Accumulated other comprehensive income (loss)	(57)	(61)
Accumulated income	55,834	52,925
Total stockholders’ equity	54,275	52,763
Total liabilities and stockholders’ equity	$ 66,785	$ 63,232