<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)