<ARTICLE> 5
<LEGEND>
This schedule contains summary information extracted from unaudited financial
statements contained in Form 10-Q for the quarter ending March 31, 1998 and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   1-MO
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                         889,000
<SECURITIES>                                   672,000
<RECEIVABLES>                                1,908,000
<ALLOWANCES>                                    81,000
<INVENTORY>                                    296,000
<CURRENT-ASSETS>                             3,804,000
<PP&E>                                       2,278,000
<DEPRECIATION>                               1,724,000
<TOTAL-ASSETS>                               4,429,000
<CURRENT-LIABILITIES>                        1,788,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                    13,557,000
<OTHER-SE>                                  11,097,000
<TOTAL-LIABILITY-AND-EQUITY>                 4,429,000
<SALES>                                      2,917,000
<TOTAL-REVENUES>                             2,917,000
<CGS>                                        2,400,000
<TOTAL-COSTS>                                2,400,000
<OTHER-EXPENSES>                               501,000
<LOSS-PROVISION>                                81,000
<INTEREST-EXPENSE>                               4,000
<INCOME-PRETAX>                                 16,000
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             16,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    16,000
<EPS-PRIMARY>                                     0.00
<EPS-DILUTED>                                     0.00