<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S UNAUDITED QUARTERLY FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE T0 SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> DEC-31-1999
<PERIOD-END> SEP-30-2000
<CASH> 6,149,573
<SECURITIES> 0
<RECEIVABLES> 4,952,504
<ALLOWANCES> 269,403
<INVENTORY> 0
<CURRENT-ASSETS> 11,404,384
<PP&E> 35,449,407
<DEPRECIATION> 17,060,224
<TOTAL-ASSETS> 30,179,422
<CURRENT-LIABILITIES> 14,577,030
<BONDS> 7,587,409
0
53,174
<COMMON> 125,211
<OTHER-SE> 7,836,598
<TOTAL-LIABILITY-AND-EQUITY> 30,179,422
<SALES> 0
<TOTAL-REVENUES> 17,132,722
<CGS> 0
<TOTAL-COSTS> 19,014,030
<OTHER-EXPENSES> 21,054,473
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 808,478
<INCOME-PRETAX> (22,523,116)
<INCOME-TAX> 0
<INCOME-CONTINUING> (22,523,116)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (22,523,116)
<EPS-BASIC> (1.88)
<EPS-DILUTED> (1.88)
</TABLE>