<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C> <C>
<PERIOD-TYPE> YEAR 6-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-1999
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 JUN-30-2000
<CASH> 8,470,353 6,632,314
<SECURITIES> 5,413,651 4,901,381
<RECEIVABLES> 778,250 687,798
<ALLOWANCES> 0 0
<INVENTORY> 0 0
<CURRENT-ASSETS> 15,249,907 12,986,731
<PP&E> 11,767,242 12,330,234
<DEPRECIATION> 2,434,168 3,051,396
<TOTAL-ASSETS> 28,636,431 25,456,887
<CURRENT-LIABILITIES> 6,901,985 5,568,641
<BONDS> 7,188,515 7,102,842
7,695 7,695
0 0
<COMMON> 1,065 1,325
<OTHER-SE> 0 0
<TOTAL-LIABILITY-AND-EQUITY> 28,636,431 25,456,887
<SALES> 0 0
<TOTAL-REVENUES> 16,999,949 8,537,088
<CGS> 0 0
<TOTAL-COSTS> 19,446,332 10,916,225
<OTHER-EXPENSES> (712,090) (522,885)
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 135,197 259,413
<INCOME-PRETAX> (1,919,490) (2,115,665)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> 0 0
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (1,919,490) (2,115,665)
<EPS-BASIC> (1.83) (1.78)
<EPS-DILUTED> (1.83) (1.78)
</TABLE>