WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

  


 
<ARTICLE> 5
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1997
<PERIOD-START>                             JAN-01-1998             JAN-01-1997
<PERIOD-END>                               MAR-31-1998             MAR-31-1997
<CASH>                                          19,119                   6,674
<SECURITIES>                                     3,087                   4,202
<RECEIVABLES>                                   16,665                  20,681
<ALLOWANCES>                                     3,169                   3,721
<INVENTORY>                                      1,222                   1,023
<CURRENT-ASSETS>                                40,314                  31,972
<PP&E>                                          38,595                  38,696
<DEPRECIATION>                                  33,556                  32,886
<TOTAL-ASSETS>                                  50,252                  42,928
<CURRENT-LIABILITIES>                           31,491                  34,704
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          3                       0
<COMMON>                                           198                     193
<OTHER-SE>                                      15,590                   4,884
<TOTAL-LIABILITY-AND-EQUITY>                    50,252                  42,928
<SALES>                                         12,798                  16,388
<TOTAL-REVENUES>                                17,753                  20,031
<CGS>                                            1,759                   2,744
<TOTAL-COSTS>                                   17,416                  26,419
<OTHER-EXPENSES>                                    21                      32
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                  22                      24
<INCOME-PRETAX>                                    444                 (6,302)
<INCOME-TAX>                                        67                      90
<INCOME-CONTINUING>                                377                 (6,392)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                       377                 (6,392)
<EPS-PRIMARY>                                     0.02                  (0.37)
<EPS-DILUTED>                                     0.02                  (0.37)