<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET FOR SEPTEMBER 30, 2000 AND THE STATEMENT OF OPERATIONS FOR THE NINE MONTH
PERIOD ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 6,730,920
<SECURITIES> 2,629,414
<RECEIVABLES> 17,219,633
<ALLOWANCES> 5,808,844
<INVENTORY> 1,056,536
<CURRENT-ASSETS> 27,133,182
<PP&E> 18,569,412
<DEPRECIATION> 8,610,954
<TOTAL-ASSETS> 46,378,999
<CURRENT-LIABILITIES> 4,384,036
<BONDS> 0
0
0
<COMMON> 110,034
<OTHER-SE> 41,234,269
<TOTAL-LIABILITY-AND-EQUITY> 0
<SALES> 0
<TOTAL-REVENUES> 37,388,719
<CGS> 0
<TOTAL-COSTS> 14,313,833
<OTHER-EXPENSES> 17,893,775
<LOSS-PROVISION> 3,046,634
<INTEREST-EXPENSE> 268
<INCOME-PRETAX> 2,589,499
<INCOME-TAX> 1,033,138
<INCOME-CONTINUING> 1,556,361
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 1,556,361
<EPS-BASIC> .16
<EPS-DILUTED> .16
</TABLE>