Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 31,448	$ 124,553
Marketable securities	41,490	52,768
Accounts receivable, net allowance for doubtful accounts of $228 and $226, respectively.	36,057	28,531
Other receivables	825	375
Inventories	42,146	27,860
Prepaid expenses and other current assets	3,287	2,325
Total current assets	155,253	236,412
Property and equipment, net	24,835	23,355
Goodwill	120,693	28,685
Intangibles, net	86,706	42,118
Deposits and other assets	747	480
Total assets	388,234	331,050
Current liabilities:
Accounts payable	13,782	17,549
Accrued payroll	19,937	13,030
Accrued expenses and other current liabilities	10,486	5,576
Contingently issuable common stock	14,800	14,700
Total current liabilities	59,005	50,855
Deferred income taxes	879	879
Deferred rent	8,000	8,051
Other liabilities	3,337	210
Convertible notes	172,352	167,748
Total liabilities	243,573	227,743
Commitments and contingencies
Stockholders’ equity:
Convertible preferred stock, $0.001 par value; 5,000,000 shares authorized. No shares issued and outstanding.	0	0
Common stock, $0.001 par value; 135,000,000 shares authorized. 82,524,514 and 68,235,179 shares issued, respectively. 82,312,275 and 68,034,386 shares outstanding, respectively.	83	68
Treasury stock, at cost, 212,239 and 200,793 shares, respectively.	(2,942)	(2,809)
Additional paid-in capital	559,527	404,462
Accumulated deficit	(413,431)	(298,924)
Accumulated other comprehensive income	1,424	510
Total stockholders’ equity	144,661	103,307
Total liabilities and stockholders’ equity	$ 388,234	$ 331,050