Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Unaudited)

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Consolidated Balance Sheets (Unaudited) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 12,512 $ 28,026
Short-term investments, available-for-sale 68,784 47,156
Accounts receivable 14,948 10,421
Inventory 8,537 8,082
Prepaid expenses and other current assets 1,633 1,394
Total current assets 106,414 95,079
Property and equipment, net 5,431 5,494
Long-term investments, available-for-sale 2,999 10,554
Intangible assets 648 1,021
Other long-term assets 226 228
Total assets 115,718 112,376
Current liabilities:    
Accounts payable 6,766 4,936
Deferred revenue and deferred profit 2,225 4,029
Accrued expenses 12,250 7,403
Accrued compensation 4,259 2,094
Current portion of capital lease obligations 5 32
Total current liabilities 25,505 18,494
Other long-term liabilities 676 855
Capital lease obligations, net of current portion   2
Commitments and contingencies      
Stockholders' equity:    
Preferred stock, $0.0001 par value; 25,000 shares authorized, no shares issued or outstanding      
Common stock      
Additional paid-in capital 132,314 126,695
Accumulated other comprehensive income 28 14
Accumulated deficit (42,808) (33,687)
Total stockholders' equity 89,537 93,025
Total liabilities and stockholders' equity 115,718 112,376
Class A Common Stock
    
Stockholders' equity:    
Common stock 2 2
Class B Common Stock
    
Stockholders' equity:    
Common stock $ 1 $ 1