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Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Deferred Tax Assets, Net, Noncurrent $ 2,697 $ 2,690
Current assets:    
Cash and cash equivalents 20,466 25,289
Marketable securities 27,572 24,513
Accounts receivable, net of allowance for doubtful accounts of $3,202 and $2,723 as of June 30, 2015 and December 31, 2014, respectively 37,927 39,936
Inventories 19,577 17,424
Prepaid expenses and other assets 4,627 2,953
Deferred Tax Assets, Net, Current 2,787 2,772
Total current assets 112,956 112,887
Property and equipment, less accumulated depreciation of $38,937 as of June 30, 2014 and $36,456 as of December 31, 2013 41,716 41,696
Finite-Lived Intangible Assets, Net 31,184 33,641
Goodwill 38,663 40,454
Other non-current assets 4,233 4,469
Total assets 231,449 235,837
Current liabilities:    
Accounts payable 9,021 12,460
Accrued compensation and employee-related expenses 5,606 4,932
Accrued other 12,760 10,963
Accrued product warranty costs 1,759 1,853
Deferred revenue 8,929 7,791
Current portion of long-term debt 6,209 6,188
Liability for Uncertain Tax Positions, Current 3,240 3,500
Total current liabilities 47,524 47,687
Deferred income taxes 5,327 5,464
Long-term debt, excluding current portion 1,425 1,459
Non-current deferred income tax liability 61,578 64,687
Total liabilities 115,854 119,297
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 173 172
Additional paid-in capital 122,772 121,084
Retained earnings 10,496 11,881
Accumulated other comprehensive loss (4,696) (3,447)
Stockholders Equity Before Treasury Stock Adjustment 128,745 129,690
Less: treasury stock at cost, common stock, 1,658,991 shares as of June 30, 2015 and December 31, 2014 (13,150) (13,150)
Total stockholders’ equity 115,595 116,540
Total liabilities and stockholders’ equity $ 231,449 $ 235,837