<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from unaudited
financial statements contained in Form 10-Q for the quarter ending September 30,
1997 and is qualified in its entirety to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                       1,108,000
<SECURITIES>                                   459,000
<RECEIVABLES>                                1,240,000
<ALLOWANCES>                                    57,000
<INVENTORY>                                     68,000
<CURRENT-ASSETS>                             3,343,000
<PP&E>                                       2,409,000
<DEPRECIATION>                               1,938,000
<TOTAL-ASSETS>                               3,902,000
<CURRENT-LIABILITIES>                        1,506,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                    13,507,000
<OTHER-SE>                                 (11,391,000)
<TOTAL-LIABILITY-AND-EQUITY>                 3,902,000
<SALES>                                      2,667,000
<TOTAL-REVENUES>                             2,667,000
<CGS>                                        2,259,000
<TOTAL-COSTS>                                2,259,000
<OTHER-EXPENSES>                               494,000
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              42,000
<INCOME-PRETAX>                                 52,000
<INCOME-TAX>                                         0 
<INCOME-CONTINUING>                             52,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    52,000
<EPS-PRIMARY>                                      .01
<EPS-DILUTED>                                      .01