CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and equivalents	$ 77,583	$ 63,380
Short term investments	20,226	35,108
Accounts receivable, net of allowances of $2,051 in 2022 and $1,419 in 2021	39,863	56,612
Inventories, net	9,997	10,345
Prepaid expenses	7,117	7,594
Contract assets	5,147	4,694
Other current assets	10,586	9,356
Total current assets	170,519	187,089
Property and equipment, net	10,130	10,757
Operating lease right-of-use assets	8,138	9,197
Goodwill	90,421	96,174
Intangible assets, net of accumulated amortization	18,117	21,270
Deferred income taxes	3,515	3,786
Contract assets - non-current	522	195
Other assets	10,547	13,803
Total assets	311,909	342,271
Current liabilities
Accounts payable	9,119	8,204
Deferred revenue	48,342	54,617
Accrued wages and payroll taxes	13,425	16,607
Short-term income taxes payable	1,434	1,103
Other accrued expenses	6,612	7,668
Deferred compensation	113	877
Total current liabilities	79,045	89,076
Long-term deferred revenue	7,030	9,125
Long-term lease liabilities	9,193	10,180
Other long-term liabilities	7,277	7,770
Long-term income taxes payable	3,080	5,054
Deferred income taxes	1,942	1,286
Total liabilities	107,567	122,491
Stockholders' equity
Preferred stock: 500 shares authorized, none issued and outstanding at June 30, 2022 and December 31, 2021
Common stock: $.001 par value per share, 75,000 shares authorized; 40,635 and 40,593 shares issued; 39,597 and 40,001 shares outstanding at June 30, 2022 and December 31, 2021, respectively	40	40
Additional paid-in capital	102,140	100,250
Treasury stock, at cost, 1,038 and 592 shares outstanding at June 30, 2022 and December 31, 2021, respectively	(18,222)	(12,501)
Retained earnings	139,037	143,173
Accumulated other comprehensive loss	(18,653)	(11,182)
Total stockholders' equity	204,342	219,780
Total liabilities and stockholders' equity	$ 311,909	$ 342,271