<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BE REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 319,396
<SECURITIES> 0
<RECEIVABLES> 870,477
<ALLOWANCES> 44,000
<INVENTORY> 1,655,882
<CURRENT-ASSETS> 3,252,370
<PP&E> 5,741,684
<DEPRECIATION> 5,026,589
<TOTAL-ASSETS> 4,458,558
<CURRENT-LIABILITIES> 779,148
<BONDS> 0
0
500,000
<COMMON> 47,857
<OTHER-SE> 3,131,553
<TOTAL-LIABILITY-AND-EQUITY> 4,458,559
<SALES> 2,581,160
<TOTAL-REVENUES> 3,196,115
<CGS> 1,451,987
<TOTAL-COSTS> 3,177,799
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 3,942
<INCOME-PRETAX> 14,375
<INCOME-TAX> 0
<INCOME-CONTINUING> 14,375
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 14,375
<EPS-BASIC> .01
<EPS-DILUTED> .01
</TABLE>