<ARTICLE> 5 <RESTATED> <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 7,394 <SECURITIES> 18,773 <RECEIVABLES> 13,242 <ALLOWANCES> (741) <INVENTORY> 0 <CURRENT-ASSETS> 42,144 <PP&E> 40,851 <DEPRECIATION> (17,522) <TOTAL-ASSETS> 103,273 <CURRENT-LIABILITIES> 7,619 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,909 <OTHER-SE> 90,719 <TOTAL-LIABILITY-AND-EQUITY> 103,273 <SALES> 17,933 <TOTAL-REVENUES> 19,465 <CGS> 7,775 <TOTAL-COSTS> 7,775 <OTHER-EXPENSES> 19,259 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (419) <INCOME-PRETAX> 625 <INCOME-TAX> 662 <INCOME-CONTINUING> (37) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (37) <EPS-BASIC> (0.00) <EPS-DILUTED> (0.00)