Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 117,252	$ 149,478
Accounts receivable, net of allowances of $269 and $303	27,126	26,528
Inventory	46,131	35,329
Prepaid expenses and other current assets	8,084	7,286
Total current assets	198,593	218,621
Property and equipment, net of accumulated depreciation of $58,633 and $53,812	27,747	21,462
Intangible assets, net of accumulated amortization of $3,150 and $2,049	10,006	2,686
Goodwill	9,872	1,387
Other assets, net	3,748	5,974
Total assets	249,966	250,130
Current liabilities:
Accounts payable	12,700	12,068
Accrued liabilities	11,605	10,708
Deferred revenues	679	720
Current portion of long-term debt	51	91
Total current liabilities	25,035	23,587
Non-current income taxes payable	6,429	6,472
Long-term debt	0	18
Other long-term liabilities	1,894	2,270
Total liabilities	33,358	32,347
Stockholders' equity:
Preferred stock - $0.0001 par value; 5,000 shares authorized, zero shares issued and outstanding at December 31, 2019 and December 31, 2018	0	0
Common stock - $0.0001 par value; 190,000 shares authorized, 38,084 shares issued and outstanding at December 31, 2019 and 36,705 shares issued and outstanding at December 31, 2018	15	15
Additional paid-in capital	336,732	324,656
Accumulated other comprehensive loss	(2,685)	(2,157)
Accumulated deficit	(117,454)	(104,731)
Total stockholders’ equity	216,608	217,783
Total liabilities and stockholders’ equity	$ 249,966	$ 250,130