<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE CONSOLIDATED FINANCIAL STATEMENTS FOUND ON PAGES 3 AND 4
OF THE COMPANY'S FORM 10-QSB FOR THE SIX-MONTHS ENDED
SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-2001
<PERIOD-START> APR-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 485,362
<SECURITIES> 0
<RECEIVABLES> 345,567
<ALLOWANCES> 3,000
<INVENTORY> 439,373
<CURRENT-ASSETS> 1,310,387
<PP&E> 6,495,072
<DEPRECIATION> 4,302,828
<TOTAL-ASSETS> 3,860,341
<CURRENT-LIABILITIES> 391,694
<BONDS> 1,999,457
0
0
<COMMON> 5,611
<OTHER-SE> 1,463,579
<TOTAL-LIABILITY-AND-EQUITY> 3,860,341
<SALES> 978,017
<TOTAL-REVENUES> 1,364,652
<CGS> 569,077
<TOTAL-COSTS> 1,518,766
<OTHER-EXPENSES> (38,846)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1,927
<INCOME-PRETAX> (115,268)
<INCOME-TAX> 0
<INCOME-CONTINUING> (115,268)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (115,268)
<EPS-BASIC> (.021)
<EPS-DILUTED> (.021)
</TABLE>