<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> <C>
<PERIOD-TYPE> 12-MOS 3-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-2000
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 MAR-31-2000
<CASH> 85,136 49,584
<SECURITIES> 0 0
<RECEIVABLES> 192,301 121,453
<ALLOWANCES> 25,000 23,094
<INVENTORY> 429,472 559,321
<CURRENT-ASSETS> 705,172 744,898
<PP&E> 2,406,878 2,426,103
<DEPRECIATION> 1,404,324 1,501,023
<TOTAL-ASSETS> 2,010,136 1,956,081
<CURRENT-LIABILITIES> 957,281 1,642,172
<BONDS> 0 0
250,000 250,000
10 10
<COMMON> 14,247 (1,822)
<OTHER-SE> 788,598 167,775
<TOTAL-LIABILITY-AND-EQUITY> 2,010,136 1,956,081
<SALES> 2,100,735 461,259
<TOTAL-REVENUES> 3,547,880<F1> 484,073
<CGS> 1,785,464 321,571
<TOTAL-COSTS> 5,440,366 923,022
<OTHER-EXPENSES> 25,489 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 4,427 1,552
<INCOME-PRETAX> (3,703,439) (762,072)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (3,703,439) (797,786)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (3,703,439) (797,786)
<EPS-BASIC> (2.70) (.56)
<EPS-DILUTED> (2.70) (.56)
<FN>
<F1>Includes $66,018 of interest income.
</FN>
</TABLE>