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Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2015
Dec. 31, 2014
Current assets:    
Cash and cash equivalents $ 10,865 $ 7,440
Marketable securities 7,314 6,994
Receivables, net of allowance for doubtful accounts of $79 and $58, respectively 8,593 9,916
Inventories 13,869 12,766
Distributor channel inventories 1,540 1,698
Deferred income taxes 3,824 3,824
Prepaid expenses and other assets 1,267 2,143
Total current assets 47,272 44,781
Long-term marketable securities 18,133 19,162
Long-term inventories, net 690 876
Property and equipment, net 1,901 2,039
Intangibles, net 7,581 7,896
Goodwill 12,724 12,724
Deferred income taxes 1,265 1,265
Other assets 115 117
Total assets 89,681 88,860
Current liabilities:    
Accounts payable 3,854 3,057
Accrued liabilities 2,508 2,694
Deferred product revenue 4,684 5,004
Total current liabilities 11,046 10,755
Deferred rent 222 248
Other long-term liabilities 1,304 1,841
Total liabilities 12,572 12,844
Shareholders' equity:    
Common stock, par value $0.001, 50,000,000 shares authorized, 9,111,790 and 9,097,827 shares issued and outstanding 9 9
Additional paid-in capital 45,204 44,939
Accumulated other comprehensive (loss) (133) (8)
Retained earnings 32,029 31,076
Total shareholders' equity 77,109 76,016
Total liabilities and shareholders' equity $ 89,681 $ 88,860