
<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
This schedule contains summary financial information extracted from the Form 10-
Q for the period March 31, 1998 and is qualified in its entirety by reference to
such financial statements.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                              JUN-30-1998
<PERIOD-END>                                   MAR-31-1998
<CASH>                                          5,276,639
<SECURITIES>                                            0
<RECEIVABLES>                                  10,728,584
<ALLOWANCES>                                     (140,000)
<INVENTORY>                                     1,833,319
<CURRENT-ASSETS>                               18,305,297
<PP&E>                                         28,814,589
<DEPRECIATION>                                 22,516,914
<TOTAL-ASSETS>                                 27,942,970
<CURRENT-LIABILITIES>                           6,040,800
<BONDS>                                           247,692
<PREFERRED-MANDATORY>                                   0
<PREFERRED>                                             0
<COMMON>                                          110,682
<OTHER-SE>                                     17,780,394
<TOTAL-LIABILITY-AND-EQUITY>                   27,942,970
<SALES>                                         8,105,845
<TOTAL-REVENUES>                               24,191,634
<CGS>                                           9,173,655
<TOTAL-COSTS>                                  11,084,642
<OTHER-EXPENSES>                               15,843,451
<LOSS-PROVISION>                                        0
<INTEREST-EXPENSE>                                110,661
<INCOME-PRETAX>                               (11,582,882)
<INCOME-TAX>                                            0
<INCOME-CONTINUING>                           (11,582,882)
<DISCONTINUED>                                          0
<EXTRAORDINARY>                                         0
<CHANGES>                                               0
<NET-INCOME>                                  (11,582,882)
<EPS-PRIMARY>                                       (1.07)
<EPS-DILUTED>                                       (1.07)
        



</TABLE>
