<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED
CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS ON 
FORM 10-QSB AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM 10-QSB
</LEGEND>
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   9-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1998
<PERIOD-START>                             JAN-01-1997             JAN-01-1998
<PERIOD-END>                               SEP-30-1997             SEP-30-1998
<EXCHANGE-RATE>                                      1                       1
<CASH>                                       1,402,548                 481,844
<SECURITIES>                                         0                       0
<RECEIVABLES>                                3,175,420               3,538,976
<ALLOWANCES>                                    85,000                 107,900
<INVENTORY>                                  1,667,631               1,848,132
<CURRENT-ASSETS>                             6,915,143               6,663,277
<PP&E>                                      23,559,710              24,729,255
<DEPRECIATION>                              19,021,715              19,927,103
<TOTAL-ASSETS>                              11,807,421              11,775,152
<CURRENT-LIABILITIES>                        2,037,538               3,637,423
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        37,155                  37,959
<OTHER-SE>                                   9,732,728               8,099,770
<TOTAL-LIABILITY-AND-EQUITY>                11,807,421              11,775,152
<SALES>                                      6,285,648               3,002,998
<TOTAL-REVENUES>                            17,059,581              11,607,734
<CGS>                                        4,213,078               2,705,442
<TOTAL-COSTS>                               15,396,624              13,712,714
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                            (13,940)                (20,517)
<INCOME-PRETAX>                              1,676,897             (2,084,463)
<INCOME-TAX>                                   100,000                   9,000
<INCOME-CONTINUING>                          1,576,897             (2,093,463)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 1,576,897             (2,093,463)
<EPS-PRIMARY>                                     0.52                  (0.65)
<EPS-DILUTED>                                     0.48                  (0.65)
        

</TABLE>