<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S 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>

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             APR-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                         359,189
<SECURITIES>                                         0
<RECEIVABLES>                                2,602,428
<ALLOWANCES>                                   102,000
<INVENTORY>                                  1,693,242
<CURRENT-ASSETS>                             4,855,313
<PP&E>                                      26,143,515
<DEPRECIATION>                              21,455,963
<TOTAL-ASSETS>                               9,803,356
<CURRENT-LIABILITIES>                        4,087,608
<BONDS>                                              0
<PREFERRED-MANDATORY>                           37,977
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                   5,677,771
<TOTAL-LIABILITY-AND-EQUITY>                 9,803,356
<SALES>                                        454,329
<TOTAL-REVENUES>                             2,681,578
<CGS>                                          395,849
<TOTAL-COSTS>                                3,218,571
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              21,313
<INCOME-PRETAX>                              (558,306)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          (558,306)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 (558,306)
<EPS-BASIC>                                     (0.17)
<EPS-DILUTED>                                   (0.17)