<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
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<PP&E>                                           7,951                   7,951
<DEPRECIATION>                                   2,366                   2,366
<TOTAL-ASSETS>                                  55,992                  55,992
<CURRENT-LIABILITIES>                           24,350                  24,350
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<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
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<INTEREST-EXPENSE>                                   0                       0
<INCOME-PRETAX>                                    887                   2,337
<INCOME-TAX>                                       266                     846
<INCOME-CONTINUING>                                621                   1,491
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<CHANGES>                                            0                       0
<NET-INCOME>                                       621                   1,491
<EPS-PRIMARY>                                      .07                    0.17
<EPS-DILUTED>                                      .07                    0.17