<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF OPERATIONS, AS
RESTATED, FOUND ON PAGES 2 AND 3 OF THE COMPANY'S FORM 10-Q FOR THE YEAR TO
DATE SEPTEMBER 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                             688
<SECURITIES>                                         0
<RECEIVABLES>                                    3,929
<ALLOWANCES>                                         0
<INVENTORY>                                        429
<CURRENT-ASSETS>                                 7,433
<PP&E>                                           7,741
<DEPRECIATION>                                   5,522
<TOTAL-ASSETS>                                  17,110
<CURRENT-LIABILITIES>                            6,526
<BONDS>                                              0
<PREFERRED-MANDATORY>                            2,682
<PREFERRED>                                          0
<COMMON>                                        61,679
<OTHER-SE>                                    (57,117)
<TOTAL-LIABILITY-AND-EQUITY>                    17,110
<SALES>                                         13,780
<TOTAL-REVENUES>                                13,780
<CGS>                                            7,042
<TOTAL-COSTS>                                    7,042
<OTHER-EXPENSES>                                 3,041
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (268)
<INCOME-PRETAX>                                (5,394)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (5,394)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (5,394)
<EPS-PRIMARY>                                    (.57)
<EPS-DILUTED>                                    (.57)