<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> APR-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 14,279 <SECURITIES> 33,001 <RECEIVABLES> 11,654 <ALLOWANCES> 415 <INVENTORY> 579 <CURRENT-ASSETS> 30,267 <PP&E> 10,943 <DEPRECIATION> 3,570 <TOTAL-ASSETS> 68,362 <CURRENT-LIABILITIES> 10,215 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 102 <OTHER-SE> 57,764 <TOTAL-LIABILITY-AND-EQUITY> 68,362 <SALES> 13,639 <TOTAL-REVENUES> 13,639 <CGS> 0 <TOTAL-COSTS> 7,499 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 591 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 6,751 <INCOME-TAX> 2,585 <INCOME-CONTINUING> 6,140 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 4,166 <EPS-PRIMARY> .42<F1> <EPS-DILUTED> .41 <FN> <F1>EPS-Primary should be EPS-Basic. </FN>