<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 12-MOS
<FISCAL-YEAR-END> JUN-30-2000 JUN-30-2000
<PERIOD-START> APR-01-2000 JUL-01-1999
<PERIOD-END> JUN-30-2000 JUN-30-2000
<CASH> 66,253 66,253
<SECURITIES> 26,429 26,429
<RECEIVABLES> 264 264
<ALLOWANCES> 0 0
<INVENTORY> 3,143 3,143
<CURRENT-ASSETS> 99,609 99,609
<PP&E> 32,964 32,964
<DEPRECIATION> (20,316) (20,316)
<TOTAL-ASSETS> 119,487 119,487
<CURRENT-LIABILITIES> 11,253 11,253
<BONDS> 312,815 312,815
0 0
24 24
<COMMON> 19 19
<OTHER-SE> (225,386) (225,386)
<TOTAL-LIABILITY-AND-EQUITY> 119,487 119,487
<SALES> 258 1,957
<TOTAL-REVENUES> 258 1,957
<CGS> 566 4,224
<TOTAL-COSTS> 24,942 79,087
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 10,296 39,016
<INCOME-PRETAX> (46,446) (131,201)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (46,446) (131,201)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (46,446) (131,201)
<EPS-BASIC> (2.51) (7.29)
<EPS-DILUTED> (2.51) (7.29)
</TABLE>