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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Current assets    
Cash and equivalents $ 70,321 $ 78,522
Short term investments 54,878 44,961
Accounts receivable, net of allowance for doubtful accounts of $470 in 2016 and $621 in 2015 37,897 29,426
Inventories 18,024 20,618
Prepaid expenses 3,454 3,051
Foreign sales tax receivable 402 510
Deferred income taxes 0 1,495
Other current assets 4,845 4,778
Assets of discontinued operations 4 4
Total current assets 189,825 183,365
Property and equipment:    
Furniture and fixtures 5,584 5,354
Office equipment 12,822 11,512
Property and equipment, gross 18,406 16,866
Accumulated depreciation (14,409) (13,767)
Property and equipment, net 3,997 3,099
Goodwill, net of accumulated amortization 71,812 80,853
Intangible assets, net of accumulated amortization 35,728 37,970
Other assets, net of accumulated amortization 8,932 6,535
Total assets 310,294 311,822
Current liabilities    
Accounts payable 8,635 8,803
Deferred revenue 29,120 22,450
Accrued wages and payroll taxes 10,523 10,291
Income taxes payable 3,904 4,823
Other accrued expenses 4,772 7,820
Deferred compensation 130 1,503
Total current liabilities 57,084 55,690
Other long-term liabilities 67 76
Deferred income taxes 956 8,008
Total liabilities 58,107 63,774
Stockholders' equity    
Preferred stock: 500 shares authorized, none issued and outstanding at March 31, 2016 or December 31, 2015 0 0
Common stock: $.001 par value per share, 75,000 shares authorized; 40,202 and 40,108 shares issued and outstanding at March 31, 2016 and December 31, 2015, respectively 40 40
Additional paid-in capital 86,891 85,766
Accumulated income 170,235 168,036
Accumulated other comprehensive income (4,979) (5,794)
Total stockholders' equity 252,187 248,048
Total liabilities and stockholders' equity $ 310,294 $ 311,822