Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 66,159	$ 116,762
Short-term investments	29,625	36,279
Accounts receivable, net of allowance for doubtful accounts of $3,222 and $3,418	62,886	45,323
Inventories	71,304	53,138
Prepaid expenses	5,477	7,939
Other current assets	31,855	28,990
Total current assets	267,306	288,431
Noncurrent Assets:
Property, plant and equipment, net	93,697	88,164
Operating right-of-use assets, net	16,451	9,056
Finance right-of-use assets, net	1,887	2,493
Intangible assets, net	12,851	14,343
Goodwill	36,038	40,279
Long-term investments		17,009
Other noncurrent assets	1,024	1,215
Total noncurrent assets	161,948	172,559
TOTAL ASSETS	429,254	460,990
Current Liabilities:
Accounts payable	36,226	28,024
Deferred revenue	2,660	2,936
Accrued expenses and other current liabilities	23,165	33,778
Finance lease liabilities	1,182	939
Operating lease liabilities	2,054	2,181
Acquisition-related contingent consideration obligation	199	206
Total current liabilities	65,486	68,064
Noncurrent Liabilities:
Finance lease liabilities	1,445	1,952
Operating lease liabilities	14,978	7,202
Acquisition-related contingent consideration obligation	117	354
Other noncurrent liabilities	489	651
Deferred income taxes	2,547	2,234
Total noncurrent liabilities	19,576	12,393
TOTAL LIABILITIES	85,062	80,457
Commitments and contingencies (Note 12)
STOCKHOLDERS' EQUITY
Preferred stock, par value $.000001, 25,000 shares authorized, none issued
Common stock, par value $.000001, 120,000 shares authorized, 72,572 and 72,069 shares issued and outstanding	0	0
Additional paid-in capital	515,928	511,063
Accumulated other comprehensive loss	(12,514)	(10,077)
Accumulated deficit	(159,222)	(120,453)
Total stockholders' equity	344,192	380,533
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 429,254	$ 460,990