<ARTICLE> 5
       
                                        
<PERIOD-TYPE>                               6-MOS  
<FISCAL-YEAR-END>                           DEC-31-1997
<PERIOD-END>                                JUN-30-1997       
<CASH>                                           14,202                 
<SECURITIES>                                  2,186,892           
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<ALLOWANCES>                                          0           
<INVENTORY>                                           0              
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<PP&E>                                          593,022                
<DEPRECIATION>                                  408,368      
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<OTHER-SE>                                            0                   
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<CGS>                                                 0                      
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<EPS-PRIMARY>                                     (0.11)                  
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