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<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<RESTATED>
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-START> JAN-01-1997
<PERIOD-END> DEC-31-1997
<CASH> 5,895,008
<SECURITIES> 0
<RECEIVABLES> 1,917,013
<ALLOWANCES> 0
<INVENTORY> 2,272,798
<CURRENT-ASSETS> 10,113,976
<PP&E> 7,367,227
<DEPRECIATION> (2,653,641)
<TOTAL-ASSETS> 24,905,995
<CURRENT-LIABILITIES> 3,039,118
<BONDS> 0
0
0
<COMMON> 7,986
<OTHER-SE> 19,240,409
<TOTAL-LIABILITY-AND-EQUITY> 24,905,995
<SALES> 422,039
<TOTAL-REVENUES> 1,803,345
<CGS> 0
<TOTAL-COSTS> 242,343
<OTHER-EXPENSES> 5,886,821
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 293,048
<INCOME-PRETAX> (4,618,867)
<INCOME-TAX> 0
<INCOME-CONTINUING> (4,618,867)
<DISCONTINUED> (1,434,125)
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (6,052,992)
<EPS-BASIC> (.82)
<EPS-DILUTED> (.82)
</TABLE>
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