<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
applicable SEC Form and is qualified in its entirety by reference to such
financial statements.

<MULTIPLIER> 1000

                                                  
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000             DEC-31-2000
<PERIOD-START>                             JAN-01-2000             JAN-01-2000
<PERIOD-END>                               MAR-31-2000             JUN-30-2000
<CASH>                                           13237                   13747
<SECURITIES>                                         0                       0
<RECEIVABLES>                                     3156                    3269
<ALLOWANCES>                                         0                       0
<INVENTORY>                                       1331                    1577
<CURRENT-ASSETS>                                 19298                   19470
<PP&E>                                           19557                   19928
<DEPRECIATION>                                   12494                   12958
<TOTAL-ASSETS>                                   29546                   29838
<CURRENT-LIABILITIES>                             1969                    2751
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                          9573                    9597
<OTHER-SE>                                       17337                   16916
<TOTAL-LIABILITY-AND-EQUITY>                     29546                   29838
<SALES>                                           4602                    9156
<TOTAL-REVENUES>                                  4602                    9156
<CGS>                                             2897                    5870
<TOTAL-COSTS>                                     2897                    5870
<OTHER-EXPENSES>                                  1778                    3600
<LOSS-PROVISION>                                     0                     100
<INTEREST-EXPENSE>                               (224)                   (461)
<INCOME-PRETAX>                                    151                      47
<INCOME-TAX>                                       105                     151
<INCOME-CONTINUING>                                 46                   (104)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                        46                   (104)
<EPS-BASIC>                                        .01                   (.01)
<EPS-DILUTED>                                      .01                   (.01)