Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 34,942	$ 49,646
Restricted cash	628	628
Accounts receivable, net	60,186	67,026
Inventory	45,360	50,151
Prepaid expenses and other current assets	7,094	7,306
Total current assets	148,210	174,757
Property and equipment, net	29,105	24,945
Right-of-use operating leases	16,422	0
Goodwill	116,175	116,175
Other assets	1,336	1,203
Total assets	311,248	317,080
Current liabilities:
Accounts payable	37,522	40,209
Accrued liabilities	47,657	57,869
Deferred revenue	18,528	15,600
Line of credit	25,000	30,000
Total current liabilities	128,707	143,678
Long-term portion of deferred revenue	17,792	17,496
Operating leases	15,045	0
Other long-term liabilities	2,498	3,972
Total liabilities	164,042	165,146
Commitments and contingencies (See Note 6)
Stockholders’ equity:
Preferred stock, $0.025 par value; 5,000 shares authorized; no shares issued and outstanding as of June 29, 2019 and December 31, 2018	0	0
Common stock, $0.025 par value; 100,000 shares authorized; 60,773 shares issued and 55,443 shares outstanding as of June 29, 2019, and 59,285 shares issued and 53,955 shares outstanding as of December 31, 2018	1,520	1,482
Additional paid-in capital	886,076	876,073
Accumulated other comprehensive loss	(710)	(753)
Accumulated deficit	(699,694)	(684,882)
Treasury stock, 5,330 shares as of June 29, 2019 and December 31, 2018	(39,986)	(39,986)
Total stockholders’ equity	147,206	151,934
Total liabilities and stockholders’ equity	$ 311,248	$ 317,080