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                                                                      EXHIBIT 21

                               SUBSIDIARIES OF SAT




                                          Jurisdiction of          Percentage of
Name of Subsidiary                        Incorporation            Ownership
- ------------------                        -------------            --------
                                                                 
Good Ideas Enterprises, Inc.              Delaware                 60.8%
                                                                   
U.S. Drug Testing, Inc.                   Delaware                 67.0%
                                                                   
Good Ideas Acquisition Corp.              Delaware                  100%
                                                                   
U.S. Drug Acquisition Corp.               Delaware                  100%





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