<ARTICLE> 5
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   6-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1996
<PERIOD-START>                             JAN-01-1997             JAN-01-1996
<PERIOD-END>                               JUN-30-1997             JUN-30-1996
<CASH>                                           6,699                  10,613
<SECURITIES>                                     5,857                   8,575
<RECEIVABLES>                                   16,737                  26,922
<ALLOWANCES>                                     5,095                   7,168
<INVENTORY>                                      1,203                   2,863
<CURRENT-ASSETS>                                28,282                  43,753
<PP&E>                                          42,998                  45,619
<DEPRECIATION>                                  35,073                  32,054
<TOTAL-ASSETS>                                  42,159                  69,352
<CURRENT-LIABILITIES>                           37,699                  45,266
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           192                     190
<OTHER-SE>                                         678                  20,132
<TOTAL-LIABILITY-AND-EQUITY>                    42,159                  69,532
<SALES>                                         30,235                  51,769
<TOTAL-REVENUES>                                37,104                  60,133
<CGS>                                            4,129                   5,601
<TOTAL-COSTS>                                   57,185                  59,649
<OTHER-EXPENSES>                                 (235)                   (420)
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                  50                      38
<INCOME-PRETAX>                               (19,896)                     866
<INCOME-TAX>                                       161                     311
<INCOME-CONTINUING>                           (20,057)                     555
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                  (20,057)                     555
<EPS-PRIMARY>                                   (1.16)                    0.03
<EPS-DILUTED>                                   (1.16)                    0.03