<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>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<EXCHANGE-RATE>                                      1
<CASH>                                         691,644
<SECURITIES>                                         0
<RECEIVABLES>                                4,075,297
<ALLOWANCES>                                    40,000
<INVENTORY>                                  1,675,830
<CURRENT-ASSETS>                             7,347,583
<PP&E>                                      24,382,076
<DEPRECIATION>                              19,464,148
<TOTAL-ASSETS>                              12,596,205
<CURRENT-LIABILITIES>                        2,368,476
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        37,889
<OTHER-SE>                                  10,189,840
<TOTAL-LIABILITY-AND-EQUITY>                12,596,205
<SALES>                                      1,326,640
<TOTAL-REVENUES>                             4,442,526
<CGS>                                          803,761
<TOTAL-COSTS>                                4,428,704
<OTHER-EXPENSES>                                12,337
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 26,159
<INCOME-TAX>                                     9,000
<INCOME-CONTINUING>                             17,159
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    17,159
<EPS-PRIMARY>                                     0.01
<EPS-DILUTED>                                     0.01