Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 43,654	$ 41,944
Short-term investments	75,436	202,274
Accounts receivable, less allowance for credit losses of $1,096	33,021	23,146
Inventories	38,964	35,026
Prepaid and other current assets	5,001	4,347
Total current assets	196,076	306,737
Assets, Noncurrent
Property and equipment, net	31,409	28,290
Operating lease right-of-use assets	4,761	1,914
Long-term investments	104,338	14,178
Intangible assets, net	42,992	128,199
Goodwill	234,781	234,781
Other noncurrent assets	955	440
Total Assets	615,312	714,539
Current liabilities:
Accounts payable	18,597	12,736
Accrued liabilities	36,092	27,984
Other current liabilities and current maturities of debt and leases	1,756	8,417
Total current liabilities	56,445	49,137
Long-term debt	59,741	53,435
Finance lease liabilities	10,082	10,969
Operating lease liabilities	4,068	1,180
Contingent consideration and other noncurrent liabilities	1,220	187,424
Total Liabilities	131,556	302,145
Commitments and contingencies
Stockholders’ Equity:
Common stock, $0.001 par value, 90,000 shares authorized; 46,016 and 45,346 issued and outstanding	46	45
Additional paid-in capital	764,811	742,389
Accumulated other comprehensive (loss) income	(948)	312
Accumulated deficit	(280,153)	(330,352)
Total Stockholders’ Equity	483,756	412,394
Total Liabilities and Stockholders’ Equity	$ 615,312	$ 714,539