Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 97,181	$ 95,817
Investments	0	2,501
Accounts receivable, net of reserves of $1,413 and $1,523 at June 30, 2021 and December 31, 2020, respectively	29,426	24,102
Inventories, net	42,857	46,209
Prepaid expenses and other current assets	8,297	8,754
Total current assets	177,761	177,383
Property and equipment, net	49,540	50,613
Right-of-use assets	21,849	22,619
Other long-term assets	18,748	15,420
Intangible assets, net	87,084	91,157
Goodwill	8,149	8,413
Total assets	363,131	365,605
Current liabilities:
Accounts payable	8,101	8,984
Accrued expenses and other current liabilities	16,396	14,793
Contingent consideration – current portion	16,870	13,090
Total current liabilities	41,367	36,867
Other long-term liabilities	1,710	1,244
Contingent consideration	70	22,320
Deferred tax liability	13,100	11,895
Lease liabilities	20,080	20,879
Commitments and contingencies (Note 9)
Stockholders’ equity:
Preferred stock, $0.01 par value; 1,250 shares authorized, no shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively	0	0
Common stock, $0.01 par value; 90,000 shares authorized, 14,418 and 14,329 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively	144	143
Additional paid-in-capital	60,699	55,355
Accumulated other comprehensive loss	(4,852)	(4,542)
Retained earnings	230,813	221,444
Total stockholders’ equity	286,804	272,400
Total liabilities and stockholders’ equity	$ 363,131	$ 365,605