Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 39,773	$ 124,553
Marketable securities	46,441	52,768
Accounts receivable, net allowance for doubtful accounts of $230 and $226, respectively.	36,592	28,531
Other receivables	2,607	375
Inventories	43,289	27,860
Prepaid expenses and other current assets	3,606	2,325
Total current assets	172,308	236,412
Property and equipment, net	25,948	23,355
Goodwill	93,731	28,685
Intangibles, net	114,334	42,118
Deposits and other assets	762	480
Total assets	407,083	331,050
Current liabilities:
Accounts payable	15,699	17,549
Accrued payroll	17,595	13,030
Accrued expenses and other current liabilities	11,629	5,576
Contingently issuable common stock	14,700	14,700
Total current liabilities	59,623	50,855
Deferred income taxes	879	879
Deferred rent	8,027	8,051
Derivative liabilities	29,884	0
Other liabilities	3,438	210
Convertible notes	170,028	167,748
Total liabilities	$ 271,879	$ 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; 100,000,000 shares authorized. 81,959,754 and 68,235,179 shares issued, respectively. 81,758,961 and 68,034,386 shares outstanding, respectively.	82	68
Treasury stock, at cost, 200,793 and 200,793 shares, respectively.	(2,809)	(2,809)
Additional paid-in capital	484,121	404,462
Accumulated deficit	(346,595)	(298,924)
Accumulated other comprehensive income	405	510
Total stockholders’ equity	135,204	103,307
Total liabilities and stockholders’ equity	$ 407,083	$ 331,050