<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C> <C>
<PERIOD-TYPE> YEAR YEAR
<FISCAL-YEAR-END> MAR-31-1999 MAR-31-2000
<PERIOD-START> APR-01-1998 APR-01-1999
<PERIOD-END> MAR-31-1999 MAR-31-2000
<CASH> 0 4,659,000
<SECURITIES> 0 0
<RECEIVABLES> 0 1,206,000
<ALLOWANCES> 0 72,000
<INVENTORY> 0 2,341,000
<CURRENT-ASSETS> 0 512,000
<PP&E> 0 4,884,000
<DEPRECIATION> 0 3,051,000
<TOTAL-ASSETS> 0 1,078,000
<CURRENT-LIABILITIES> 0 1,811,000
<BONDS> 0 0
0 0
0 0
<COMMON> 0 64,000
<OTHER-SE> 0 8,766,000
<TOTAL-LIABILITY-AND-EQUITY> 0 10,781,000
<SALES> 7,775,000 7,877,000
<TOTAL-REVENUES> 7,775,000 7,877,000
<CGS> 5,733,000 5,285,000
<TOTAL-COSTS> 5,733,000 5,285,000
<OTHER-EXPENSES> 6,030,000 4,511,000
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> (384,000) (242,000)
<INCOME-PRETAX> (3,604,000) (1,677,000)
<INCOME-TAX> (475,000) 0
<INCOME-CONTINUING> (3,129,000) (1,677,000)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (3,129,000) (1,677,000)
<EPS-BASIC> (0.50) (0.27)
<EPS-DILUTED> (0.50) (0.27)
</TABLE>