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Condensed Consolidated Balance Sheets (Unaudited) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Current assets:    
Cash and cash equivalents $ 82,462 $ 83,558
Accounts and unbilled receivables, net of allowance of $XXX and $1,130, respectively 42,742 38,801
Prepaid and other current assets 6,199 5,067
Total current assets 131,403 127,426
Restricted cash 329 329
Property and equipment, net 14,709 12,788
Other long term assets, net 5,955 5,936
Total assets 152,396 146,479
Current liabilities:    
Accounts payable 5,743 3,775
Accrued liabilities 4,418 3,258
Accrued payroll and other employee benefits 3,123 7,669
Deferred revenue 42,097 39,774
Total current liabilities 55,381 54,476
Long-term deferred revenue 2,432 2,007
Other Liabilities, Noncurrent 1,327 1,327
Total liabilities 59,140 57,810
Stockholders' equity:    
Preferred stock, $0.001 par value, 5,000,000 shares authorized none issued 0 0
Common stock, $0.001 par value, 75,000,000 shares authorized, XXX and 31,432,430 shares issued, respectively, XXX and 27,014,845 shares outstanding, respectively 32 32
Additional paid-in capital 90,544 87,693
Treasury stock, 4,417,585 common shares, at cost (13,938) (13,938)
Retained earnings 16,618 14,882
Total stockholders' equity 93,256 88,669
Total liabilities and stockholders' equity $ 152,396 $ 146,479