<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
consolidated  (unaudited)  statements of income for the three months ended March
31, 1998 and the  consolidated  balance sheet as of March 31, 1998  contained in
the  Company's  Quarterly  Report on Form 10 Q/A for the Quarter Ended March 31,
1998 and is qualified in its entirety by reference to such financial statements.
</LEGEND>

       
<S>                                              <C>                <C>
<PERIOD-TYPE>                                          3-MOS              3-MOS
<FISCAL-YEAR-END>                                DEC-31-1998        DEC-31-1997
<PERIOD-END>                                     MAR-31-1998        MAR-31-1997
<CASH>                                             4,448,095          2,954,591
<SECURITIES>                                       5,670,266         10,981,553
<RECEIVABLES>                                     23,676,930         15,478,949
<ALLOWANCES>                                      (1,755,529)          (835,000)
<INVENTORY>                                          385,684            269,353
<CURRENT-ASSETS>                                  40,380,022         32,711,849
<PP&E>                                            16,451,976         11,233,754
<DEPRECIATION>                                    (4,395,682)        (2,228,284)
<TOTAL-ASSETS>                                    74,708,150         55,796,573
<CURRENT-LIABILITIES>                             21,710,216         18,327,542
<BONDS>                                            1,334,041          1,229,331
<PREFERRED-MANDATORY>                                      0                  0
<PREFERRED>                                                0                  0
<COMMON>                                             188,226            182,812
<OTHER-SE>                                        50,583,667         35,406,888
<TOTAL-LIABILITY-AND-EQUITY>                      74,708,150         55,796,573
<SALES>                                            7,365,099          6,148,014
<TOTAL-REVENUES>                                  20,128,661         14,682,411
<CGS>                                                776,139            843,963
<TOTAL-COSTS>                                      6,448,844          5,061,208
<OTHER-EXPENSES>                                  11,157,910          7,342,559
<LOSS-PROVISION>                                     282,377                  0
<INTEREST-EXPENSE>                                    28,266            102,449
<INCOME-PRETAX>                                    2,775,719          2,485,984
<INCOME-TAX>                                       2,064,156            507,787
<INCOME-CONTINUING>                                  711,263          1,978,197
<DISCONTINUED>                                             0                  0
<EXTRAORDINARY>                                            0                  0
<CHANGES>                                                  0                  0
<NET-INCOME>                                         711,263          1,978,197
<EPS-PRIMARY>                                           0.04               0.11
<EPS-DILUTED>                                           0.03               0.11
        


</TABLE>