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Consolidated Balance Sheets (Unaudited) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Current assets:    
Cash and cash equivalents $ 13,361 $ 9,358
Marketable securities 40,970 46,386
Accounts receivable, net of allowance for doubtful accounts of approximately $1,446 as of June 30, 2014 and $1,705 as of December 31, 2013 30,649 27,549
Inventories 20,111 18,255
Prepaid expenses and other assets 3,833 3,784
Deferred income taxes 3,235 3,060
Total current assets 112,159 108,392
Property and equipment, less accumulated depreciation of $38,937 as of June 30, 2014 and $36,456 as of December 31, 2013 36,512 37,142
Intangible assets, less accumulated amortization of $2,934 as of June 30, 2014 and $2,005 as of December 31, 2013 14,500 14,987
Goodwill 18,737 18,281
Other non-current assets 4,879 5,047
Total assets 186,787 183,849
Current liabilities:    
Accounts payable 7,545 8,876
Accrued compensation and employee-related expenses 4,932 5,859
Accrued other 9,110 7,325
Accrued product warranty costs 1,616 1,269
Deferred revenue 6,951 4,858
Current portion of long-term debt 1,293 1,272
Total current liabilities 31,447 29,459
Deferred income taxes 464 625
Other long-term liabilities 296 204
Line of credit 30,000 30,000
Long-term debt, excluding current portion 6,443 7,094
Total liabilities 68,650 67,382
Stockholders’ equity:    
Preferred stock, $0.01 par value. Authorized 1,000,000 shares; none issued 0 0
Common stock, $0.01 par value. Authorized 30,000,000 shares; 17,099,149 and 16,936,128 shares issued at June 30, 2014 and December 31, 2013; and 15,440,158 and 15,277,137 shares outstanding at June 30, 2014 and December 31, 2013, respectively 171 169
Additional paid-in capital 119,106 117,147
Retained earnings 10,612 11,840
Accumulated other comprehensive income 1,398 461
Less: treasury stock at cost, common stock, 1,658,991 shares as of June 30, 2014 and December 31, 2013 (13,150) (13,150)
Total stockholders’ equity 118,137 116,467
Total liabilities and stockholders’ equity $ 186,787 $ 183,849