CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 48,534	$ 121,989
Accounts receivable, net	75,347	78,523
Inventories, net	50,956	53,145
Prepaid expenses and other current assets	33,801	19,793
Total current assets	208,638	273,450
Non-current assets:
Property, plant and equipment, net	20,424	22,194
Operating lease right-of-use assets	18,404	22,543
Goodwill	101,279	82,096
Intangible assets, net	48,094	25,616
Service and sales demonstration inventory, net	28,249	30,554
Deferred income tax assets, net	18,092	21,277
Other long-term assets	2,047	2,010
Total assets	445,227	479,740
Current liabilities:
Accounts payable	17,546	14,199
Accrued liabilities	22,881	28,208
Income taxes payable	6,421	4,499
Current portion of unearned service revenues	36,440	40,838
Customer deposits	5,873	5,399
Lease liabilities	5,532	5,738
Total current liabilities	94,693	98,881
Unearned service revenues - less current portion	20,868	22,350
Lease liabilities - less current portion	14,344	18,648
Deferred income tax liabilities	5,708	1,058
Income taxes payable - less current portion	10,131	11,297
Other long-term liabilities	19	1,047
Total liabilities	145,763	153,281
Commitments and contingencies - See Note 12
Shareholders’ equity:
Common stock - par value $0.001, 50,000,000 shares authorized; 20,153,287 and 19,588,003 issued, respectively; 18,776,936 and 18,205,636 outstanding, respectively	20	20
Additional paid-in capital	325,244	301,061
Retained earnings	49,022	73,544
Accumulated other comprehensive loss	(44,165)	(17,374)
Common stock in treasury, at cost - 1,376,351 and 1,382,367 shares held, respectively	(30,657)	(30,792)
Total shareholders’ equity	299,464	326,459
Total liabilities and shareholders’ equity	$ 445,227	$ 479,740