Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 116,746	$ 157,463
Investments	27,624	27,480
Accounts receivable, net of reserves of $981 and $962 at June 30, 2020 and December 31, 2019, respectively	24,094	23,079
Inventories, net	46,479	21,995
Prepaid expenses and other current assets	6,340	4,289
Total current assets	221,283	234,306
Property and equipment, net	52,659	50,783
Right-of-use assets	23,196	22,864
Other long-term assets	13,451	7,478
Intangible assets, net	95,978	7,585
Goodwill	33,958	7,694
Total assets	440,525	330,710
Current liabilities:
Accounts payable	6,162	3,832
Accrued expenses and other current liabilities	21,745	12,445
Total current liabilities	27,907	16,277
Other long-term liabilities	843	357
Contingent consideration	37,062	0
Long-term debt	50,000	0
Deferred tax liability	14,855	4,331
Lease liabilities	21,414	21,367
Stockholders’ equity:
Preferred stock, $0.01 par value; 1,250 shares authorized, no shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively	0	0
Common stock, $0.01 par value; 90,000 shares authorized, 14,204 and 14,308 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively	142	143
Additional paid-in-capital	50,609	48,707
Accumulated other comprehensive loss	(5,818)	(5,898)
Retained earnings	243,511	245,426
Total stockholders’ equity	288,444	288,378
Total liabilities and stockholders’ equity	$ 440,525	$ 330,710