Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014		Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 27,537		$ 95,152
Marketable securities	72,962		31,313
Accounts receivable, net allowance for doubtful accounts of $194 and $399, respectively.	25,702		24,972
Other receivables	878		310
Inventories	27,746		19,558
Prepaid expenses and other current assets	3,564		2,328
Total current assets	158,389		173,633
Property and equipment, net	23,063		7,338
Goodwill	28,944	[1]	29,103	[1]
Intangibles, net	42,739		43,096
Deposits and other assets	3,167		3,027
Total assets	256,302		256,197
Current liabilities:
Accounts payable	10,804		6,265
Accrued payroll	13,021		11,476
Accrued expenses and other current liabilities	5,427		3,094
Contingently issuable common stock	0		46,500
Total current liabilities	29,252		67,335
Deferred income tax	820		1,135
Deferred rent	7,982		1,585
Contingently issuable common stock	14,300		14,400
Convertible notes	69,554		67,101
Total liabilities	121,908		151,556
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. 67,149,951 and 63,866,392 shares issued, respectively. 66,988,369 and 63,866,392 shares outstanding, respectively.	67		64
Treasury stock, at cost, 161,582 and 0 shares, respectively.	(2,320)		0
Additional paid-in capital	368,735		321,756
Accumulated deficit	(233,718)		(216,082)
Accumulated other comprehensive income (loss)	1,630		(1,097)
Total stockholders’ equity	134,394		104,641
Total liabilities and stockholders’ equity	$ 256,302		$ 256,197

[1] Difference in the value between these dates is solely due to a foreign currency translation adjustment.