<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION, AS RESTATED, EXTRACTED
FROM THE RESTATED CONSOLIDATED BALANCE SHEET AND RESTATED CONSOLIDATED STATEMENT
OF OPERATIONS FOUND ON PAGES 23 AND 24 OF THE COMPANY'S FORM 10-K FOR THE YEAR
ENDED 12/31/96 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                           2,200
<SECURITIES>                                         0
<RECEIVABLES>                                    5,050
<ALLOWANCES>                                         0
<INVENTORY>                                        472
<CURRENT-ASSETS>                                 8,495
<PP&E>                                           7,259
<DEPRECIATION>                                   5,103
<TOTAL-ASSETS>                                  18,260
<CURRENT-LIABILITIES>                            6,431
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        61,583
<OTHER-SE>                                    (51,723)
<TOTAL-LIABILITY-AND-EQUITY>                    18,260
<SALES>                                         19,549
<TOTAL-REVENUES>                                19,549
<CGS>                                            9,540
<TOTAL-COSTS>                                    9,540
<OTHER-EXPENSES>                                 3,363
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (114)
<INCOME-PRETAX>                                (2,448)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (2,448)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (2,448)
<EPS-PRIMARY>                                    (.26)
<EPS-DILUTED>                                    (.26)