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Condensed Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Current assets    
Cash and equivalents $ 31,457 $ 78,522
Short term investments 110,082 44,961
Accounts receivable, net of allowance for doubtful accounts of $494 in 2016 and $621 in 2015 27,230 29,426
Inventories 18,439 20,618
Prepaid expenses 3,375 3,051
Foreign sales tax receivable 269 510
Deferred income taxes 0 1,495
Other current assets 4,108 4,778
Assets of discontinued operations 2 4
Total current assets 194,962 183,365
Property and equipment:    
Furniture and fixtures 5,667 5,354
Office equipment 13,407 11,512
Property and equipment, gross 19,074 16,866
Accumulated depreciation (15,228) (13,767)
Property and equipment, net 3,846 3,099
Goodwill, net of accumulated amortization 70,822 80,853
Intangible assets, net of accumulated amortization 31,319 37,970
Other assets, net of accumulated amortization 14,182 6,535
Total assets 315,131 311,822
Current liabilities    
Accounts payable 6,704 8,803
Deferred revenue 30,507 22,450
Accrued wages and payroll taxes 11,158 10,291
Income taxes payable 4,174 4,823
Other accrued expenses 4,491 7,820
Deferred compensation 1,015 1,503
Total current liabilities 58,049 55,690
Other long-term liabilities 51 76
Deferred income taxes 840 8,008
Total liabilities 58,940 63,774
Stockholders' equity    
Common stock: $.001 par value per share, 75,000 shares authorized; 40,199 and 40,108 shares issued and outstanding at September 30, 2016 and December 31, 2015, respectively 40 40
Preferred stock: 500 shares authorized, none issued and outstanding at September 30, 2016 or December 31, 2015 0 0
Additional paid-in capital 88,832 85,766
Accumulated income 173,539 168,036
Accumulated other comprehensive income (6,220) (5,794)
Total stockholders' equity 256,191 248,048
Total liabilities and stockholders' equity $ 315,131 $ 311,822