CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and equivalents	$ 63,380	$ 88,394
Short term investments	35,108	26,859
Accounts receivable, net of allowances of $1,419 in 2021 and $4,135 in 2020	56,612	57,537
Inventories, net	10,345	13,093
Prepaid expenses	7,594	7,837
Contract assets	4,694	7,202
Other current assets	9,356	6,256
Total current assets	187,089	207,178
Property and equipment, net	10,757	11,835
Operating lease right-of-use assets	9,197	11,356
Goodwill	96,174	97,552
Intangible assets, net of accumulated amortization	21,270	27,196
Deferred income taxes	3,786	7,030
Contract assets - non-current	195	1,877
Other assets	13,803	11,179
Total assets	342,271	375,203
Current liabilities
Accounts payable	8,204	5,684
Deferred revenue	54,617	43,417
Accrued wages and payroll taxes	16,607	13,649
Short-term income taxes payable	1,103	2,618
Other accrued expenses	7,668	8,334
Deferred compensation	877	1,602
Total current liabilities	89,076	75,304
Long-term deferred revenue	9,125	11,730
Long-term lease liabilities	10,180	12,399
Other long-term liabilities	7,770	10,423
Long-term income taxes payable	5,054	6,095
Deferred income taxes	1,286	1,912
Total liabilities	122,491	117,863
Stockholders' equity
Preferred stock: 500 shares authorized, none issued and outstanding at December 31, 2021 and December 31, 2020
Common stock: $.001 par value per share, 75,000 shares authorized; 40,593 and 40,353 shares issued; 40,001 and 40,103 shares outstanding at December 31, 2021 and December 31, 2020, respectively	40	40
Additional paid-in capital	100,250	98,819
Repurchase of common share	(12,501)	(5,030)
Retained earnings	143,173	173,731
Accumulated other comprehensive loss	(11,182)	(10,220)
Total stockholders' equity	219,780	257,340
Total liabilities and stockholders' equity	$ 342,271	$ 375,203