<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF OPERATIONS FOR THE
QUARTER ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 446,247
<SECURITIES> 0
<RECEIVABLES> 329,024
<ALLOWANCES> 0
<INVENTORY> 88,131
<CURRENT-ASSETS> 1,178,242
<PP&E> 4,346,210
<DEPRECIATION> 3,766,057
<TOTAL-ASSETS> 20,179,369
<CURRENT-LIABILITIES> 1,912,440
<BONDS> 0
0
0
<COMMON> 32,494
<OTHER-SE> 0
<TOTAL-LIABILITY-AND-EQUITY> 20,179,369
<SALES> 1,135,000
<TOTAL-REVENUES> 1,557,801
<CGS> 404,694
<TOTAL-COSTS> 404,694
<OTHER-EXPENSES> 1,527,707
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 28,544
<INCOME-PRETAX> (374,600)
<INCOME-TAX> 0
<INCOME-CONTINUING> (374,600)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (374,600)
<EPS-BASIC> (.12)
<EPS-DILUTED> (.12)
</TABLE>