Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 134,164	$ 128,358
Accounts receivable, net	27,502	21,348
Inventory	9,453	6,474
Other current assets	6,481	4,870
Total current assets	177,600	161,050
Property and equipment, net	17,361	15,446
Intangible assets, net	5,385	6,318
Goodwill	24,723	24,723
Deferred tax assets	12,913	11,915
Other assets	3,948	6,643
Total Assets	241,930	226,095
Current liabilities:
Accounts payable, accrued expenses and other current liabilities	27,330	19,276
Accrued compensation	6,065	7,514
Deferred revenue	2,418	2,289
Total current liabilities	35,813	29,079
Deferred revenue	9,964	9,701
Long-term debt	6,700	6,700
Other liabilities	11,871	10,484
Total Liabilities	64,348	55,964
Commitments and contingencies
Stockholders’ equity
Preferred stock, $0.001 par value, 10,000,000 shares authorized; 0 shares issued and outstanding as of June 30, 2016 and December 31, 2015.	0	0
Common stock, $0.01 par value, 300,000,000 shares authorized; 45,678,564 and 45,581,662 shares issued; and 45,624,695 and 45,485,294 shares outstanding as of June 30, 2016 and December 31, 2015.	456	455
Additional paid-in capital	300,578	297,781
Treasury stock, 0 shares as of June 30, 2016 and 35,523 shares at a cost of $1.20 per share as of December 31, 2015.	0	(42)
Accumulated other comprehensive income	0	0
Accumulated deficit	(123,452)	(128,063)
Total Stockholders’ Equity	177,582	170,131
Total Liabilities and Stockholders’ Equity	$ 241,930	$ 226,095