Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Current:
Cash and cash equivalents	$ 95,152		$ 45,118
Marketable securities	31,313		0
Accounts receivable, net of allowance for doubtful accounts of $399 and $472, respectively	24,972		22,600
Other receivables	310		320
Inventories	19,558		18,087
Prepaid expenses and other current assets	2,328		1,442
Total current assets	173,633		87,567
Property and equipment, net	7,338		4,984
Goodwill	29,103	[1],[2]	29,022	[1],[2]
Intangibles, net	43,096		43,356
Deposits and other assets	3,027		174
Total assets	256,197		165,103
Current liabilities:
Accounts payable	6,265		6,348
Accrued payroll	11,476		7,825
Accrued expenses and other current liabilities	3,094		3,021
Contingently issuable common stock	46,500		0
Total current liabilities	67,335		17,194
Long-term liabilities:
Deferred income taxes	1,135		1,035
Deferred rent	1,585		0
Contingently issuable common stock	14,400		52,400
Convertible notes	67,101		0
Total liabilities	151,556		70,629
Convertible notes
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; 75,000,000 shares authorized, 63,866,392 and 63,068,463 shares issued, respectively. 63,866,392 and 62,573,763 shares outstanding, respectively.	64		63
Additional paid-in capital	321,756		295,338
Accumulated deficit	(216,082)		(200,014)
Treasury stock, at cost, 0 and 494,700 shares, respectively.	0		(661)
Accumulated other comprehensive income (loss)	(1,097)		(252)
Total stockholders’ equity	104,641		94,474
Total liabilities and stockholders’ equity	$ 256,197		$ 165,103

[1] $2.0 million of goodwill is related to a 2012 acquisition.

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