<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <CASH> 3,389,520 <SECURITIES> 0 <RECEIVABLES> 114,866 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 3,504,386 <PP&E> 2,980,322 <DEPRECIATION> (2,954,086) <TOTAL-ASSETS> 3,530,622 <CURRENT-LIABILITIES> 329,629 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 3,200,993 <TOTAL-LIABILITY-AND-EQUITY> 3,530,622 <SALES> 0 <TOTAL-REVENUES> 1,178,588 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 325,851 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 852,737 <INCOME-TAX> 0 <INCOME-CONTINUING> 852,737 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 852,737 <EPS-BASIC> 0 <EPS-DILUTED> 0