Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 104,216	$ 157,463
Investments	20,542	27,480
Accounts receivable, net of reserves of $1,055 and $962 at September 30, 2020 and December 31, 2019, respectively	23,009	23,079
Inventories, net	47,882	21,995
Prepaid expenses and other current assets	6,226	4,289
Total current assets	201,875	234,306
Property and equipment, net	51,629	50,783
Right-of-use assets	22,898	22,864
Other long-term assets	13,226	7,478
Intangible assets, net	94,291	7,585
Goodwill	32,419	7,694
Total assets	416,338	330,710
Current liabilities:
Accounts payable	6,800	3,832
Accrued expenses and other current liabilities	24,339	12,445
Total current liabilities	31,139	16,277
Other long-term liabilities	987	357
Contingent consideration	41,045	0
Long-term debt	25,000	0
Deferred tax liability	12,584	4,331
Lease liabilities	21,132	21,367
Commitments and contingencies (Note 10)
Stockholders’ equity:
Common stock, $0.01 par value; 90,000 shares authorized, 14,208 and 14,308 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively	142	143
Additional paid-in-capital	52,505	48,707
Accumulated other comprehensive loss	(5,296)	(5,898)
Retained earnings	237,100	245,426
Total stockholders’ equity	284,451	288,378
Total liabilities and stockholders’ equity	$ 416,338	$ 330,710