<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
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<EXCHANGE-RATE>                                      1
<CASH>                                       1,402,548
<SECURITIES>                                         0
<RECEIVABLES>                                3,175,420
<ALLOWANCES>                                    85,000
<INVENTORY>                                  1,667,631
<CURRENT-ASSETS>                             6,915,143
<PP&E>                                      23,559,710
<DEPRECIATION>                              19,021,715
<TOTAL-ASSETS>                              11,807,421
<CURRENT-LIABILITIES>                        2,037,538
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        37,155
<OTHER-SE>                                   9,732,728
<TOTAL-LIABILITY-AND-EQUITY>                11,807,421
<SALES>                                              0
<TOTAL-REVENUES>                            17,059,581
<CGS>                                                0
<TOTAL-COSTS>                               11,112,412
<OTHER-EXPENSES>                             4,284,212
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              13,940
<INCOME-PRETAX>                              1,676,897
<INCOME-TAX>                                   100,000
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 1,576,897
<EPS-PRIMARY>                                     0.50
<EPS-DILUTED>                                     0.48