<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 6-MOS <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1997 <PERIOD-START> APR-01-1997 JAN-01-1997 <PERIOD-END> JUN-30-1997 JUN-30-1997 <CASH> 14,823 14,823 <SECURITIES> 25,961 25,961 <RECEIVABLES> 7,393 7,393 <ALLOWANCES> 0 0 <INVENTORY> 0 0 <CURRENT-ASSETS> 50,234 50,234 <PP&E> 7,951 7,951 <DEPRECIATION> 2,366 2,366 <TOTAL-ASSETS> 55,992 55,992 <CURRENT-LIABILITIES> 24,350 24,350 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 87 87 <OTHER-SE> 31,505 31,505 <TOTAL-LIABILITY-AND-EQUITY> 55,992 55,992 <SALES> 10,715 20,464 <TOTAL-REVENUES> 10,715 20,464 <CGS> 3,297 6,176 <TOTAL-COSTS> 10,372 19,191 <OTHER-EXPENSES> 0 0 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 0 0 <INCOME-PRETAX> 887 2,337 <INCOME-TAX> 266 846 <INCOME-CONTINUING> 621 1,491 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 621 1,491 <EPS-PRIMARY> .07 0.17 <EPS-DILUTED> .07 0.17