<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAIN SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S UNAUDITED QUARTERLY FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-START> DEC-31-1999
<PERIOD-END> JUN-30-2000
<CASH> 12,035,697
<SECURITIES> 0
<RECEIVABLES> 6,840,361
<ALLOWANCES> 272,361
<INVENTORY> 0
<CURRENT-ASSETS> 19,041,716
<PP&E> 34,154,001
<DEPRECIATION> 15,111,571
<TOTAL-ASSETS> 38,470,001
<CURRENT-LIABILITIES> 14,342,345
<BONDS> 23,461,921
0
51,674
<COMMON> 125,093
<OTHER-SE> 488,968
<TOTAL-LIABILITY-AND-EQUITY> 38,470,001
<SALES> 0
<TOTAL-REVENUES> 11,150,273
<CGS> 0
<TOTAL-COSTS> 14,996,011
<OTHER-EXPENSES> 10,836,779
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 555,927
<INCOME-PRETAX> (14,144,070)
<INCOME-TAX> 0
<INCOME-CONTINUING> (14,144,070)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (14,144,070)
<EPS-BASIC> (1.18)
<EPS-DILUTED> (1.18)
</TABLE>