Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 164,479	$ 185,595
Short-term investments	280,220	246,571
Accounts receivable, net	189,597	169,773
Inventories, net	262,054	242,406
Prepaid expenses and other current assets	38,092	33,300
Total current assets	934,442	877,645
Property, plant and equipment, net	40,970	39,664
Operating lease assets	10,660	12,146
Finance lease assets, net	17,623	17,942
Long-term restricted cash	6,653	752
Deferred income taxes	35,428	31,701
Other assets	34,050	33,791
Total assets	1,079,826	1,013,641
Current liabilities:
Accounts payable	60,473	62,346
Accrued compensation	14,180	35,540
Warranty	9,599	8,299
Income taxes	13,183	4,304
Deferred revenue	156,876	123,471
Current portion of finance lease obligation	1,297	1,229
Other current liabilities	12,334	12,943
Total current liabilities	267,942	248,132
Long-term finance lease obligation	44,831	45,185
Long-term deferred revenue	44,849	31,306
Other long-term liabilities	20,383	21,762
Total liabilities	378,005	346,385
Commitments and contingencies (Note 16)
Stockholders' equity:
Common stock, $0.001 par value, 75,000 shares authorized; 32,726 shares issued and outstanding at March 31, 2023; 32,775 shares issued and outstanding at December 31, 2022	33	33
Additional paid-in capital	547,692	550,299
Retained earnings	156,014	118,892
Accumulated other comprehensive loss	(1,918)	(1,968)
Total stockholders' equity	701,821	667,256
Total liabilities and stockholders' equity	$ 1,079,826	$ 1,013,641