[ARTICLE] 5
<TABLE>
<S> <C> <C>
[PERIOD-TYPE] 6-MOS 6-MOS
[FISCAL-YEAR-END] MAR-31-1997 MAR-31-1996
[PERIOD-END] SEP-30-1996 SEP-30-1995
[CASH] 3,123,077 890,127
[SECURITIES] 0 0
[RECEIVABLES] 1,523,032 1,697,617
[ALLOWANCES] (63,144) (62,105)
[INVENTORY] 1,933,317 2,099,593
[CURRENT-ASSETS] 6,681,705 4,772,153
[PP&E] 2,486,467 2,422,516
[DEPRECIATION] (900,593) (834,864)
[TOTAL-ASSETS] 9,308,397 7,535,190
[CURRENT-LIABILITIES] 505,844 506,216
[BONDS] 0 0
[PREFERRED-MANDATORY] 0 0
[PREFERRED] 0 0
[COMMON] 3,455,783 3,070,578
[OTHER-SE] 5,288,635 3,892,746
[TOTAL-LIABILITY-AND-EQUITY] 9,308,397 7,535,190
[SALES] 3,645,513 3,452,092
[TOTAL-REVENUES] 3,645,513 3,452,092
[CGS] 1,432,439 1,330,262
[TOTAL-COSTS] 1,432,439 1,330,262
[OTHER-EXPENSES] 1,201,796 1,136,368
[LOSS-PROVISION] 0 0
[INTEREST-EXPENSE] 0 0
[INCOME-PRETAX] 1,061,798 1,005,867
[INCOME-TAX] 361,000 352,000
[INCOME-CONTINUING] 700,798 653,867
[DISCONTINUED] 0 0
[EXTRAORDINARY] 0 0
[CHANGES] 0 0
[NET-INCOME] 700,798 653,867
[EPS-PRIMARY] .16 .15
[EPS-DILUTED] .16 .15
</TABLE>
