<TABLE> <S> <C>
<ARTICLE> 5
<S> <C> <C>
<PERIOD-TYPE> 6-MOS 3-MOS
<FISCAL-YEAR-END> MAR-31-2001 MAR-31-2001
<PERIOD-START> APR-01-2000 JUL-01-2000
<PERIOD-END> SEP-30-2000 SEP-30-2000
<CASH> 277,000 0
<SECURITIES> 0 0
<RECEIVABLES> 589,000 0
<ALLOWANCES> (50,000) 0
<INVENTORY> 94,000<F1> 0<F1>
<CURRENT-ASSETS> 910,000 0
<PP&E> 33,274,000 0
<DEPRECIATION> (32,042,000) 0
<TOTAL-ASSETS> 2,301,000 0
<CURRENT-LIABILITIES> 576,000 0
<BONDS> 0 0
0 0
0 0
<COMMON> 17,000 0
<OTHER-SE> 0 0
<TOTAL-LIABILITY-AND-EQUITY> 2,301,000 0
<SALES> 1,384,000 759,000
<TOTAL-REVENUES> 1,400,000 765,000
<CGS> 900,000<F2> 465,000<F2>
<TOTAL-COSTS> 0 0
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 24,000 11,000
<INCOME-PRETAX> 313,000 204,000
<INCOME-TAX> 0 0
<INCOME-CONTINUING> 0 0
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 313,000 204,000
<EPS-BASIC> 0.019 0.012
<EPS-DILUTED> 0.019 0.012
<FN>
<F1> OTHER CURRENT ASSETS
<F2> OPERATING EXPENSES
</FN>
</TABLE>