<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.

</LEGEND>

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                           4,717
<SECURITIES>                                         0
<RECEIVABLES>                                    4,777
<ALLOWANCES>                                         0
<INVENTORY>                                      2,201
<CURRENT-ASSETS>                                 1,394
<PP&E>                                          37,177
<DEPRECIATION>                                 (23,614)
<TOTAL-ASSETS>                                  26,652
<CURRENT-LIABILITIES>                            6,242
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            85
<OTHER-SE>                                      20,275
<TOTAL-LIABILITY-AND-EQUITY>                    26,652
<SALES>                                          9,291
<TOTAL-REVENUES>                                 9,291
<CGS>                                           (3,898)
<TOTAL-COSTS>                                   (3,898)
<OTHER-EXPENSES>                                (3,337)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 (37)
<INCOME-PRETAX>                                  2,079
<INCOME-TAX>                                       235
<INCOME-CONTINUING>                              1,843
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,843
<EPS-BASIC>                                       0.23
<EPS-DILUTED>                                     0.21