<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 6-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-1999
<PERIOD-START> JAN-01-2000 JAN-01-2000
<PERIOD-END> DEC-31-2000 JUN-30-2000
<CASH> 85,136 141,497
<SECURITIES> 0 0
<RECEIVABLES> 192,301 400,065
<ALLOWANCES> 25,000 20,384
<INVENTORY> 429,472 432,063
<CURRENT-ASSETS> 705,172 993,085
<PP&E> 2,406,878 2,443,056
<DEPRECIATION> 1,404,324 1,594,554
<TOTAL-ASSETS> 2,010,136 2,129,968
<CURRENT-LIABILITIES> 957,281 2,619,480
<BONDS> 0 0
250,000 250,000
10 3
<COMMON> 14,247 14,249
<OTHER-SE> 788,598 (802,546)
<TOTAL-LIABILITY-AND-EQUITY> 2,010,136 2,129,968
<SALES> 2,100,735 1,228,113
<TOTAL-REVENUES> 3,547,880<F1> 1,250,927
<CGS> 1,785,464 885,370
<TOTAL-COSTS> 5,440,366 1,987,515
<OTHER-EXPENSES> 25,489 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 4,427 3,554
<INCOME-PRETAX> (3,703,439) (1,625,512)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (3,703,439) (1,625,512)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (3,703,439) (1,625,512)
<EPS-BASIC> (2.70) (1.19)
<EPS-DILUTED> (2.70) (1.19)
<FN>
<F1>includes interest income of $66,018
</FN>
</TABLE>