<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                           2,953
<SECURITIES>                                     2,609
<RECEIVABLES>                                    3,508
<ALLOWANCES>                                       165
<INVENTORY>                                        231
<CURRENT-ASSETS>                                 9,413
<PP&E>                                           3,215
<DEPRECIATION>                                     980
<TOTAL-ASSETS>                                  11,732
<CURRENT-LIABILITIES>                            2,562
<BONDS>                                            447
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                     10,247
<COMMON>                                             7
<OTHER-SE>                                      (1,531)
<TOTAL-LIABILITY-AND-EQUITY>                    11,732
<SALES>                                          8,201
<TOTAL-REVENUES>                                 8,201
<CGS>                                            2,535
<TOTAL-COSTS>                                    7,845
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                    32
<INTEREST-EXPENSE>                                  68
<INCOME-PRETAX>                                    443
<INCOME-TAX>                                         9
<INCOME-CONTINUING>                                434
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       434
<EPS-PRIMARY>                                     0.04
<EPS-DILUTED>                                     0.02