<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
unaudited financial statements contained in the Company's quarterly report on
Form 10-Q for the quarter ended June 30, 1998, and is qualified in its entirety
by reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                       6,411,048
<SECURITIES>                                12,154,671
<RECEIVABLES>                                2,476,308
<ALLOWANCES>                                         0
<INVENTORY>                                    276,030
<CURRENT-ASSETS>                            22,384,820
<PP&E>                                       5,097,336
<DEPRECIATION>                             (2,202,435)
<TOTAL-ASSETS>                              26,422,381
<CURRENT-LIABILITIES>                        6,144,508
<BONDS>                                              0
<PREFERRED-MANDATORY>                       11,565,951
<PREFERRED>                                          0
<COMMON>                                     3,274,373
<OTHER-SE>                                   5,050,488
<TOTAL-LIABILITY-AND-EQUITY>                 8,324,861
<SALES>                                     21,006,020
<TOTAL-REVENUES>                            21,006,020
<CGS>                                                0
<TOTAL-COSTS>                               13,595,009
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                              7,411,011
<INCOME-TAX>                                 2,985,952
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 4,425,059
<EPS-PRIMARY>                                      .17
<EPS-DILUTED>                                      .17