CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 68,228	$ 37,812
Short-term investments	20,240	0
Accounts receivable, net	88,293	90,326
Inventories, net	41,560	50,026
Prepaid expenses and other current assets	38,551	41,201
Total current assets	256,872	219,365
Non-current assets:
Property, plant and equipment, net	23,247	19,720
Operating lease right-of-use assets	13,315	18,989
Goodwill	108,883	107,155
Intangible assets, net	48,643	48,978
Service and sales demonstration inventory, net	23,063	30,904
Deferred income tax assets, net	24,221	24,192
Other long-term assets	4,039	4,044
Total assets	502,283	473,347
Current liabilities:
Accounts payable	21,241	27,286
Accrued liabilities	29,979	23,345
Income taxes payable	10,056	6,767
Current portion of unearned service revenues	35,767	36,407
Customer deposits	5,584	6,725
Lease liabilities	5,140	5,709
Total current liabilities	107,767	106,239
Loan - 5.50% Convertible Senior Notes	72,491	0
Unearned service revenues - less current portion	21,017	20,947
Lease liabilities - less current portion	12,463	14,649
Deferred income tax liabilities	11,928	11,708
Income taxes payable - less current portion	5,292	8,706
Other long-term liabilities	39	49
Total liabilities	230,997	162,298
Commitments and contingencies - See Note 13
Shareholders’ equity:
Common stock - par value $0.001, 50,000,000 shares authorized; 20,321,490 and 20,156,233 issued, respectively; 18,946,798 and 18,780,013 outstanding, respectively	20	20
Additional paid-in capital	336,534	328,227
Retained earnings	(2,621)	46,788
Accumulated other comprehensive loss	(31,992)	(33,331)
Common stock in treasury, at cost - 1,374,692 and 1,376,220 shares held, respectively	(30,655)	(30,655)
Total shareholders’ equity	271,286	311,049
Total liabilities and shareholders’ equity	$ 502,283	$ 473,347