CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 92,445	$ 88,703
Short-term investments	10,189	9,999
Accounts receivable, net	85,669	87,022
Inventories, net	33,272	32,121
Prepaid expenses and other current assets	33,610	30,326
Total current assets	255,185	248,171
Non-current assets:
Property, plant and equipment, net	18,777	18,767
Operating lease right-of-use assets	19,196	15,880
Goodwill	108,664	106,555
Intangible assets, net	43,459	44,133
Service and sales demonstration inventory, net	23,265	22,760
Deferred income tax assets, net	23,090	23,005
Other long-term assets	3,393	3,734
Total assets	495,029	483,005
Current liabilities:
Accounts payable	26,346	27,336
Accrued liabilities	25,121	27,735
Income taxes payable	7,937	6,736
Current portion of unearned service revenues	41,763	41,590
Customer deposits	4,633	4,989
Lease liabilities	4,784	4,474
Total current liabilities	110,584	112,860
Loan - 5.50% Convertible Senior Notes	70,378	70,267
Unearned service revenues - less current portion	19,962	19,886
Lease liabilities - less current portion	16,902	14,056
Deferred income tax liabilities	15,478	14,809
Income taxes payable - less current portion	1,530	1,485
Other long-term liabilities	28	32
Total liabilities	234,862	233,395
Commitments and contingencies - See Note 13
Shareholders’ equity:
Common stock - par value $0.001, 50,000,000 shares authorized; 21,187,604 and 20,916,723 issued, respectively; 19,225,837 and 18,954,956 outstanding, respectively	20	20
Additional paid-in capital	361,891	358,133
Retained earnings	(17,949)	(18,855)
Accumulated other comprehensive loss	(43,126)	(49,019)
Common stock in treasury, at cost - 1,961,767 and 1,961,767 shares held, respectively	(40,669)	(40,669)
Total shareholders’ equity	260,167	249,610
Total liabilities and shareholders’ equity	$ 495,029	$ 483,005