<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEET AS OF SEPTEMBER 30, 1997 AND THE RELATED
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND OF CASH FLOWS FOR THE NINE
MONTHS ENDED SEPTEMBER 30, 1997 CONTAINED ELSEWHERE IN THIS FORM 10-QSB AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                           3,032
<SECURITIES>                                     3,060
<RECEIVABLES>                                    3,332
<ALLOWANCES>                                        51
<INVENTORY>                                      5,592
<CURRENT-ASSETS>                                16,660
<PP&E>                                           4,761
<DEPRECIATION>                                   3,847
<TOTAL-ASSETS>                                  41,025
<CURRENT-LIABILITIES>                            4,581
<BONDS>                                          7,029
<PREFERRED-MANDATORY>                            2,754
<PREFERRED>                                          0
<COMMON>                                        35,613
<OTHER-SE>                                     (8,952)
<TOTAL-LIABILITY-AND-EQUITY>                    41,025
<SALES>                                         17,929
<TOTAL-REVENUES>                                18,331
<CGS>                                            9,648
<TOTAL-COSTS>                                    9,648
<OTHER-EXPENSES>                                 6,674
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 386
<INCOME-PRETAX>                                  1,623
<INCOME-TAX>                                       898
<INCOME-CONTINUING>                                725
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       725
<EPS-PRIMARY>                                      .09
<EPS-DILUTED>                                      .09