<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM 10-Q.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                          27,439
<SECURITIES>                                     5,371
<RECEIVABLES>                                    9,736
<ALLOWANCES>                                       382
<INVENTORY>                                      3,105
<CURRENT-ASSETS>                                46,222
<PP&E>                                          11,997
<DEPRECIATION>                                   5,064
<TOTAL-ASSETS>                                  53,158
<CURRENT-LIABILITIES>                            8,883
<BONDS>                                            333
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           138
<OTHER-SE>                                      43,494
<TOTAL-LIABILITY-AND-EQUITY>                    53,158
<SALES>                                              0
<TOTAL-REVENUES>                                52,960
<CGS>                                                0
<TOTAL-COSTS>                                   41,579
<OTHER-EXPENSES>                                 8,551
<LOSS-PROVISION>                                   125
<INTEREST-EXPENSE>                                 348
<INCOME-PRETAX>                                  2,357
<INCOME-TAX>                                       650
<INCOME-CONTINUING>                              1,707
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,707
<EPS-PRIMARY>                                        0<F1>
<EPS-DILUTED>                                        0<F2>
<FN>
<F1>Proforma net income per share - primary   $0.28
<F2>Proforma net income per share - fully diluted  $0.28
</FN>