Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash	$ 21,516	$ 29,244
Accounts receivable, net	16,202	5,547
Other current assets	2,669	2,046
Total current assets	40,387	36,837
Investments	6,512	6,355
Property and equipment, at cost less accumulated depreciation	12,771	10,371
Other long-term assets	4,627	4,585
Total assets	64,297	58,148
Current liabilities:
Accounts payable	2,281	2,763
Deferred revenue, current portion	1,262	2,263
Accrued payroll	1,951	2,145
Accrued expenses	564	404
Other current liabilities	2,476	3,278
Total current liabilities	8,534	10,853
Noncurrent liabilities:
Deferred revenue, net of current portion	418	164
Deferred tax liability	556	549
Long-term lease obligation	2,664	2,708
Total noncurrent liabilities	3,638	3,421
Stockholders’ equity:
Common stock, $0.01 par value: Authorized shares - 20,000,000; Issued shares – 9,007,815 and 9,001,311 at June 30, 2022 and December 31, 2021, respectively; Outstanding shares – 8,567,008 and 8,689,815 at June 30, 2022 and December 31, 2021, respectively	90	90
Additional paid-in capital	16,421	16,261
Treasury stock, 440,807 and 311,496 shares at June 30, 2022 and December 31, 2021, respectively, at cost	(15,006)	(11,327)
Accumulated other comprehensive income (loss)	50	(194)
Accumulated income	50,570	39,044
Total stockholders’ equity	52,125	43,874
Total liabilities and stockholders’ equity	$ 64,297	$ 58,148