Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents		$ 35,404	$ 26,798
Marketable securities		32,891	59,871
Accounts receivable, net allowance for doubtful accounts of $283 and $185, respectively.		27,158	26,113
Other receivables		304	498
Inventories		33,422	31,325
Prepaid expenses and other current assets		3,113	3,162
Total current assets		132,292	147,767
Property and equipment, net		23,865	25,696
Goodwill	[1]	28,731	28,866
Intangibles, net		42,278	43,465
Deposits and other assets		1,985	2,415
Total assets		229,151	248,209
Current liabilities:
Accounts payable		13,788	11,027
Accrued payroll		13,800	13,337
Accrued expenses and other current liabilities		5,379	5,260
Total current liabilities		32,967	29,624
Deferred income tax		879	879
Deferred rent		8,065	8,060
Other liabilities		279	489
Contingently issuable common stock		14,800	14,600
Convertible notes		73,052	70,407
Total liabilities		$ 130,042	$ 124,059
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. 67,968,865 and 67,321,769 shares issued, respectively. 67,788,911 and 67,159,511 shares outstanding, respectively.		68	67
Treasury stock, at cost, 179,954 and 162,258 shares, respectively.		(2,619)	(2,328)
Additional paid-in capital		384,226	372,639
Accumulated deficit		(283,631)	(248,500)
Accumulated other comprehensive income		1,065	2,272
Total stockholders’ equity		99,109	124,150
Total liabilities and stockholders’ equity		$ 229,151	$ 248,209

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