<TABLE> <S> <C>

<ARTICLE> 5

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1997             JAN-01-1997             JAN-01-1997
<PERIOD-END>                               MAR-31-1997             JUN-30-1997             SEP-30-1997
<CASH>                                      19,380,625              14,927,460               8,581,380
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                               15,810,155              19,623,594              22,134,689
<ALLOWANCES>                                   821,127                 821,127                 895,980
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                            37,686,537              37,126,554              33,469,172
<PP&E>                                      10,371,413              11,176,881              12,202,675
<DEPRECIATION>                               6,317,387               6,771,276               7,245,436
<TOTAL-ASSETS>                              51,784,970              56,495,364              60,116,357
<CURRENT-LIABILITIES>                       12,734,171              14,743,392              26,590,471
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                        10,668                  10,853                  11,020
<OTHER-SE>                                  39,040,131              40,741,119              32,914,866
<TOTAL-LIABILITY-AND-EQUITY>                51,784,970              56,495,364              60,116,357
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                            13,635,294              28,343,332              44,095,412
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                                1,750,967               3,100,468               4,615,638
<OTHER-EXPENSES>                            14,883,989              26,893,254              49,581,178
<LOSS-PROVISION>                               100,000                 100,000                 175,000
<INTEREST-EXPENSE>                           (444,494)               (958,953)             (1,439,435)
<INCOME-PRETAX>                            (2,655,168)               (791,437)             (8,836,969)
<INCOME-TAX>                                 1,068,830               2,212,984               2,392,984
<INCOME-CONTINUING>                                  0                       0                       0
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                               (3,723,998)             (3,004,421)            (11,229,953)
<EPS-PRIMARY>                                   (0.37)                  (0.29)                  (1.06)
<EPS-DILUTED>                                   (0.37)                  (0.29)                  (1.06)


</TABLE>