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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2014
Dec. 31, 2013
Current assets:    
Cash and cash equivalents $ 7,440 $ 17,192
Marketable securities 6,994 3,200
Receivables, net of allowance for doubtful accounts of $58 and $129, as of December 31, 2014 and 2013 respectively 9,916 9,378
Inventories 12,766 10,758
Deferred Costs, Current 1,698 1,520
Deferred income taxes 3,824 3,325
Prepaid expenses and other assets 2,143 2,693
Total current assets 44,781 48,066
Long-term marketable securities 19,162 22,326
Long-term inventories, net 876 551
Property and equipment, net 2,039 1,825
Intangibles, net 7,896 3,710
Goodwill 12,724 3,472
Deferred income taxes 1,265 1,024
Other assets 117 87
Total assets 88,860 81,061
Current liabilities:    
Accounts payable 3,057 2,730
Accrued liabilities 2,694 1,761
Deferred product revenue 5,004 4,158
Total current liabilities 10,755 8,649
Deferred rent 248 286
Other long-term liabilities 1,841 1,791
Total liabilities 12,844 10,726
Shareholders' equity:    
Common stock, par value $0.001, 50,000,000 shares authorized, 9,097,827 and 8,986,080 shares issued and outstanding as of December 31, 2014 and 2013, respectively 9 9
Additional paid-in capital 44,939 41,311
Accumulated other comprehensive income (loss) (8) 23
Retained earnings 31,076 28,992
Total shareholders' equity 76,016 70,335
Total liabilities and shareholders' equity $ 88,860 $ 81,061