<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF INCOME AT DECEMBER
31, 1996 AND 1997 AND THE BALANCE SHEETS AND STATEMENTS OF INCOME AT DECEMBER
31, 1996 AND 1997 OF THE COMPANY'S 1997 ANNUAL REPORT TO STOCKHOLDERS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1997
<PERIOD-START>                             JAN-01-1996             JAN-01-1997
<PERIOD-END>                               DEC-31-1996             DEC-31-1997
<CASH>                                         224,539               6,895,619
<SECURITIES>                                   130,692                 108,287
<RECEIVABLES>                                   88,763               1,643,503
<ALLOWANCES>                                         0                       0
<INVENTORY>                                     96,002               2,910,220
<CURRENT-ASSETS>                               761,668              11,632,914
<PP&E>                                       9,514,500              20,488,496
<DEPRECIATION>                                 (6,428)               (680,310)
<TOTAL-ASSETS>                              10,894,116              33,490,098
<CURRENT-LIABILITIES>                        3,660,325               7,907,543
<BONDS>                                              0              11,280,489
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        20,974                  30,058
<OTHER-SE>                                   7,212,817              14,272,008
<TOTAL-LIABILITY-AND-EQUITY>                10,894,116              33,490,098
<SALES>                                        232,824               8,020,304
<TOTAL-REVENUES>                               510,779                 435,004
<CGS>                                        (419,914)             (6,992,829)
<TOTAL-COSTS>                                (491,383)             (2,045,767)
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                            (32,730)               (340,707)
<INCOME-PRETAX>                              (200,423)               (954,984)
<INCOME-TAX>                                  (52,850)               (407,900)
<INCOME-CONTINUING>                          (147,573)               (547,084)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 (147,573)               (547,084)
<EPS-PRIMARY>                                  (0.011)                 (0.021)
<EPS-DILUTED>                                  (0.008)                 (0.018)
        

</TABLE>