Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 20,035	$ 38,191
Accounts receivable, net of allowance for doubtful accounts of $161 and $118, respectively	15,542	12,212
Other receivables	405	515
Inventories	18,099	8,350
Other current assets	1,023	560
Total current assets	55,104	59,828
Property and equipment, net	4,454	2,429
Goodwill	27,073	27,073
Intangibles, net	43,439	44,863
Deposits and other assets	185	182
Total assets	130,255	134,375
Current liabilities:
Accounts payable	6,377	3,623
Accrued payroll	6,569	5,310
Accrued expenses and other current liabilities	1,003	2,310
Total current liabilities	13,949	11,243
Deferred income taxes	1,029	1,029
Deferred rent	8	0
Contingently issuable common stock (Note 10)	38,700	28,200
Total liabilities	53,686	40,472
Commitments and contingencies (Note 8)
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, 58,577,484 and 56,896,000 shares issued, respectively. 58,082,784 and 56,401,000 shares outstanding respectively.	59	57
Additional paid-in capital	241,441	230,017
Accumulated other comprehensive loss	(30)	0
Accumulated deficit	(164,240)	(135,510)
Treasury stock, at cost, 495,000 shares	(661)	(661)
Total stockholders’ equity	76,569	93,903
Total liabilities and stockholders’ equity	$ 130,255	$ 134,375