<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             MAR-31-1997             MAR-31-1998
<PERIOD-START>                             JAN-01-1997             JAN-01-1997             JAN-01-1998
<PERIOD-END>                               DEC-31-1997             MAR-31-1997             MAR-31-1998
<CASH>                                         251,458                       0               7,085,888
<SECURITIES>                                   169,306                       0                 170,913
<RECEIVABLES>                                1,123,220                       0               1,023,659
<ALLOWANCES>                                         0                       0                       0
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                             1,801,373                       0               8,844,518
<PP&E>                                          17,343                       0                  17,343
<DEPRECIATION>                                       0                       0                       0
<TOTAL-ASSETS>                               2,863,586                       0               8,861,861
<CURRENT-LIABILITIES>                          442,505                       0                 499,180
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                         1,989                       0                   2,954
<OTHER-SE>                                   1,246,705                       0               8,359,727
<TOTAL-LIABILITY-AND-EQUITY>                 2,863,694                       0               8,861,861
<SALES>                                              0                 561,064                 749,660
<TOTAL-REVENUES>                                     0                 570,220                 805,431
<CGS>                                                0                 614,072                 711,873
<TOTAL-COSTS>                                        0                 614,072                 711,873
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                   0                       0                       0
<INCOME-PRETAX>                                      0                (43,852)                  93,558
<INCOME-TAX>                                         0                (18,326)                  38,211
<INCOME-CONTINUING>                                  0                (25,526)                  55,347
<DISCONTINUED>                                       0                 (3,801)                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                         0                (29,327)                  55,347
<EPS-PRIMARY>                                        0                  (0.01)                    0.02
<EPS-DILUTED>                                        0                  (0.01)                    0.02
        

</TABLE>