<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE 
CONDENSED CONSOLIDATED BALANCE SHEET AS OF MARCH 31, 1998 AND THE RELATED 
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME AND OF 
CASH FLOWS FOR THE THREE MONTHS THEN ENDED INCLUDED ELSEWHERE IN THIS FORM 
10-QSB AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL 
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                           3,084
<SECURITIES>                                     2,980
<RECEIVABLES>                                    5,962
<ALLOWANCES>                                       110
<INVENTORY>                                      4,549
<CURRENT-ASSETS>                                17,189
<PP&E>                                           5,159
<DEPRECIATION>                                   3,915
<TOTAL-ASSETS>                                  45,257
<CURRENT-LIABILITIES>                            6,699
<BONDS>                                          7,306
<PREFERRED-MANDATORY>                            2,774
<PREFERRED>                                          0
<COMMON>                                        37,082
<OTHER-SE>                                     (8,604)
<TOTAL-LIABILITY-AND-EQUITY>                    45,257
<SALES>                                          8,801
<TOTAL-REVENUES>                                 8,932
<CGS>                                            4,046
<TOTAL-COSTS>                                    7,397
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 315
<INCOME-PRETAX>                                  1,220
<INCOME-TAX>                                       530
<INCOME-CONTINUING>                                690
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       690
<EPS-PRIMARY>                                      .08
<EPS-DILUTED>                                      .07