<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C> <C>
<PERIOD-TYPE> YEAR 3-MOS
<FISCAL-YEAR-END> SEP-30-1999 SEP-30-2000
<PERIOD-START> OCT-01-1998 OCT-01-1999
<PERIOD-END> SEP-30-1999 MAR-31-2000
<CASH> 6,424,786 16,881,345
<SECURITIES> 0 0
<RECEIVABLES> 6,425,167 7,905,290
<ALLOWANCES> 0 50,000
<INVENTORY> 0 0
<CURRENT-ASSETS> 13,599,072 25,956,844
<PP&E> 2,240,531 3,304,655
<DEPRECIATION> 764,847 1,107,132
<TOTAL-ASSETS> 17,045,151 29,131,094
<CURRENT-LIABILITIES> 6,173,987 7,133,061
<BONDS> 799,377 1,178,851
37,439,026 62,265,709
0 0
<COMMON> 7,957 7,956
<OTHER-SE> (27,418,839) (41,460,349)
<TOTAL-LIABILITY-AND-EQUITY> 17,045,151 29,131,094
<SALES> 8,715,024 5,972,312
<TOTAL-REVENUES> 15,503,276 10,147,972
<CGS> 2,443,772 1,256,991
<TOTAL-COSTS> 5,506,089 2,804,185
<OTHER-EXPENSES> 19,665,395 13,883,397
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 15,486 85,182
<INCOME-PRETAX> (9,420,406) (6,419,867)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> 0 0
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (10,473,861) (7,117,278)
<EPS-BASIC> (1.89) (1.79)
<EPS-DILUTED> (1.89) (1.79)
</TABLE>