<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM AUDITED AND
UNAUDITED INTERNAL FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<CASH> 85,136
<SECURITIES> 0
<RECEIVABLES> 192,301
<ALLOWANCES> 25,000
<INVENTORY> 429,472
<CURRENT-ASSETS> 705,172
<PP&E> 2,406,878
<DEPRECIATION> 1,404,324
<TOTAL-ASSETS> 2,010,136
<CURRENT-LIABILITIES> 957,281
<BONDS> 0
250,000
10
<COMMON> 14,247
<OTHER-SE> 788,598
<TOTAL-LIABILITY-AND-EQUITY> 2,010,136
<SALES> 2,100,735
<TOTAL-REVENUES> 3,547,880<F1>
<CGS> 1,785,464
<TOTAL-COSTS> 5,440,366
<OTHER-EXPENSES> 25,489
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 4,427
<INCOME-PRETAX> (3,703,439)
<INCOME-TAX> 0
<INCOME-CONTINUING> (3,703,439)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (3,703,439)
<EPS-BASIC> (2.70)
<EPS-DILUTED> (2.70)
<FN>
<F1>Includes $66,018 of interest income.
</FN>
</TABLE>