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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Current assets    
Cash and equivalents $ 78,661 $ 49,345
Short term investments 79,733 94,856
Accounts receivable, net of allowance for doubtful accounts of $520 in 2017 and $535 in 2016 48,126 36,693
Inventories, net 12,040 17,420
Prepaid expenses 3,876 3,249
Foreign sales tax receivable 836 186
Other current assets 4,665 5,410
Total current assets 227,937 207,159
Property and equipment    
Furniture and fixtures 5,655 5,547
Office equipment 13,084 13,028
Property and equipment, gross 18,739 18,575
Accumulated depreciation (13,963) (15,294)
Property and equipment, net 4,776 3,281
Goodwill 56,332 54,409
Intangible assets, net of accumulated amortization 37,888 46,549
Deferred income taxes 5,460 11,116
Other assets 5,229 4,756
Total assets 337,622 327,270
Current liabilities    
Accounts payable 8,144 8,915
Deferred revenue 33,295 36,364
Accrued wages and payroll taxes 11,643 10,894
Short-term income taxes payable 3,673 4,594
Other accrued expenses 7,746 5,464
Deferred compensation 1,652 1,729
Total current liabilities 66,153 67,960
Other long-term liabilities 12,938 5,709
Long-term income taxes payable 12,848  
Deferred income taxes 7,753 439
Total liabilities 99,692 74,108
Stockholders' equity    
Preferred stock: 500 shares authorized, none issued and outstanding at December 31, 2017 and 2016 0 0
Common stock: $.001 par value per share, 75,000 shares authorized; 40,086 and 40,097 issued and outstanding at December 31, 2017 and 2016, respectively 40 40
Additional paid-in capital 90,307 87,481
Accumulated income 156,151 178,551
Accumulated other comprehensive loss (8,568) (12,910)
Total stockholders' equity 237,930 253,162
Total liabilities and stockholders' equity $ 337,622 $ 327,270