<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 1,137,894 <SECURITIES> 0 <RECEIVABLES> 2,396,296 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 3,534,190 <PP&E> 2,821,624 <DEPRECIATION> 2,808,506 <TOTAL-ASSETS> 3,547,308 <CURRENT-LIABILITIES> 198,103 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 3,349,205 <TOTAL-LIABILITY-AND-EQUITY> 3,547,308 <SALES> 0 <TOTAL-REVENUES> 255,830 <CGS> 0 <TOTAL-COSTS> 107,618 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 148,212 <INCOME-TAX> 0 <INCOME-CONTINUING> 148,212 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 148,212 <EPS-BASIC> 0 <EPS-DILUTED> 0