<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEC FORM
10-Q FOR THE THREE MONTHS ENDED MARCH 31, 1998 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          26,054
<SECURITIES>                                    38,537<F4>
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                         74
<CURRENT-ASSETS>                                63,824
<PP&E>                                          30,971
<DEPRECIATION>                                  15,511
<TOTAL-ASSETS>                                  89,453
<CURRENT-LIABILITIES>                           14,524
<BONDS>                                         52,120<F1>
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            39
<OTHER-SE>                                      21,139<F2>
<TOTAL-LIABILITY-AND-EQUITY>                    89,453
<SALES>                                             92
<TOTAL-REVENUES>                                 5,066
<CGS>                                               58
<TOTAL-COSTS>                                    3,530<F3>
<OTHER-EXPENSES>                                11,377
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,982
<INCOME-PRETAX>                                (13,541)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (13,541)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (13,541)
<EPS-PRIMARY>                                    (0.35)
<EPS-DILUTED>                                    (0.35)
<FN>
<F1>INCLUDES BONDS, MORTGAGES AND OTHER LONG-TERM DEBT, INCLUDING CAPITALIZED
LEASES.
<F2>INCLUDES ADDITIONAL PAID IN CAPITAL, OTHER ADDITIONAL CAPITAL AND RETAINED
EARNINGS, APPROPRIATED AND UNAPPROPRIATED.
<F3>PER CHIEF ACCOUNTANT AT THE SEC, THIS AMOUNT EXCLUDES SALES AND G&A
EXPENSES, INCLUDES COSTS AND EXPENSES APPLICABLE TO SALES AND REVENUES, AND
TANGIBLE COSTS OF GOODS SOLD.
<F4>INCLUDES RESTRICTED CASH.
</FN>