<ARTICLE> 5
<MULTIPLIER> 1,000
       
                                                                                            
<PERIOD-TYPE>                   3-MOS             3-MOS              6-MOS               6-MOS             12-MOS
<FISCAL-YEAR-END>               DEC-31-1997       DEC-31-1998        DEC-31-1997         DEC-31-1998       DEC-31-1997
<PERIOD-END>                    JUN-30-1997       JUN-30-1998        JUN-30-1997         JUN-30-1998       DEC-31-1997
<CASH>                                    0             4,202                  0                   0            10,883
<SECURITIES>                              0            20,482                  0                   0            14,949
<RECEIVABLES>                             0            13,519                  0                   0            10,502
<ALLOWANCES>                              0             (589)                  0                   0             (573)
<INVENTORY>                               0                 0                  0                   0                 0
<CURRENT-ASSETS>                          0            42,011                  0                   0            38,359
<PP&E>                                    0             9,741                  0                   0             8,325
<DEPRECIATION>                            0           (5,907)                  0                   0           (5,349)
<TOTAL-ASSETS>                            0            50,919                  0                   0            44,041
<CURRENT-LIABILITIES>                     0            20,959                  0                   0            18,227
<BONDS>                                   0                 0                  0                   0                 0
<PREFERRED-MANDATORY>                     0                 0                  0                   0                 0
<PREFERRED>                               0                 0                  0                   0                 0
<COMMON>                                  0                18                  0                   0                18
<OTHER-SE>                                0            29,942                  0                   0            25,796
<TOTAL-LIABILITY-AND-EQUITY>              0            50,919                  0                   0            44,041
<SALES>                              13,603            19,949             26,366              37,702                 0
<TOTAL-REVENUES>                     13,603            19,949             26,366              37,702                 0
<CGS>                                     0                 0                  0                   0                 0
<TOTAL-COSTS>                         9,925            22,548             18,791              35,478                 0
<OTHER-EXPENSES>                          0                 0                  0                   0                 0
<LOSS-PROVISION>                          0                 0                  0                   0                 0
<INTEREST-EXPENSE>                        0                 0                  0                   0                 0
<INCOME-PRETAX>                       3,931<F1>        (2,349)<F2>         7,889<F3>           2,724<F6>             0
<INCOME-TAX>                              0                 0                  0                   0                 0
<INCOME-CONTINUING>                   3,678           (2,599)              7,575               2,224                 0
<DISCONTINUED>                            0                 0                  0                   0                 0
<EXTRAORDINARY>                           0                 0                  0                   0                 0
<CHANGES>                                 0                 0                  0                   0                 0
<NET-INCOME>                          2,458           (1,736)              5,732<F4>           1,370                 0
<EPS-PRIMARY>                          0.14            (0.10)               0.34<F5>            0.08                 0
<EPS-DILUTED>                             0                 0                  0                   0                 0
<FN>
<F1>INCLUDES INTEREST INCOME OF $253.
<F2>INCLUDES INTEREST INCOME OF $250.
<F3>INCLUDES INTEREST INCOME OF $314.
<F4>THE PRO FORMA INCOME TAX PROVISION AND NET INCOME, AFTER TAKING EFFECT FOR A
PROFORMA INCOME TAX PROVISION, WOULD BE $3,039 AND $4,850, RESPECTIVELY.
<F5>THE PRO FORMA NET INCOME PER SHARE OF A FULLY DILUTED BASIS WOULD HAVE BEEN
$0.28.
<F6>INCLUDES INTEREST INCOME OF $500.
</FN>