
<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
This schedule contains summary financial information extracted from the Form
10-K for the period June 30, 1997 and is qualified in its entirety by reference
to such financial statements. 
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                              JUN-30-1997
<PERIOD-END>                                   JUN-30-1997
<CASH>                                         14,270,145
<SECURITIES>                                    1,059,933
<RECEIVABLES>                                  12,610,227
<ALLOWANCES>                                     (140,000)
<INVENTORY>                                     1,626,065
<CURRENT-ASSETS>                               29,970,574
<PP&E>                                         29,315,048
<DEPRECIATION>                                (22,346,615)
<TOTAL-ASSETS>                                 37,729,097
<CURRENT-LIABILITIES>                           6,809,466
<BONDS>                                           585,795
<PREFERRED-MANDATORY>                                   0
<PREFERRED>                                             0
<COMMON>                                          108,232
<OTHER-SE>                                     26,310,427
<TOTAL-LIABILITY-AND-EQUITY>                   37,729,097
<SALES>                                        14,897,144
<TOTAL-REVENUES>                               29,578,474
<CGS>                                          17,364,429
<TOTAL-COSTS>                                   5,870,725
<OTHER-EXPENSES>                               25,370,891
<LOSS-PROVISION>                                        0
<INTEREST-EXPENSE>                                384,468
<INCOME-PRETAX>                               (17,954,612)
<INCOME-TAX>                                            0
<INCOME-CONTINUING>                           (17,954,612)
<DISCONTINUED>                                          0  
<EXTRAORDINARY>                                         0
<CHANGES>                                               0
<NET-INCOME>                                  (17,954,612)
<EPS-PRIMARY>                                       (1.67)
<EPS-DILUTED>                                       (1.67)
        

</TABLE>
