<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from audited
financial statements contained in Form 10-K for the year ended December 31, 1997
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                       1,249,000
<SECURITIES>                                   363,000
<RECEIVABLES>                                1,642,000
<ALLOWANCES>                                    81,000
<INVENTORY>                                    404,000
<CURRENT-ASSETS>                             3,715,000
<PP&E>                                       2,275,000
<DEPRECIATION>                               1,690,000
<TOTAL-ASSETS>                               4,384,000
<CURRENT-LIABILITIES>                        1,773,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                    13,515,000
<OTHER-SE>                                  11,113,000
<TOTAL-LIABILITY-AND-EQUITY>                 4,384,000
<SALES>                                     11,101,000
<TOTAL-REVENUES>                            11,101,000
<CGS>                                        9,187,000
<TOTAL-COSTS>                                9,187,000
<OTHER-EXPENSES>                             2,005,000
<LOSS-PROVISION>                                81,000
<INTEREST-EXPENSE>                              51,000
<INCOME-PRETAX>                                 30,000
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             30,000
<DISCONTINUED>                                 293,000
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   330,000
<EPS-PRIMARY>                                      .05
<EPS-DILUTED>                                      .05