<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> JUN-30-1999 <PERIOD-START> JUL-01-1998 <PERIOD-END> DEC-31-1998 <CASH> 1,197,730 <SECURITIES> 3,318,562 <RECEIVABLES> 553,600 <ALLOWANCES> 92,468 <INVENTORY> 57,519 <CURRENT-ASSETS> 5,055,828 <PP&E> 845,517 <DEPRECIATION> 752,594 <TOTAL-ASSETS> 5,630,902 <CURRENT-LIABILITIES> 1,707,294 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 8,986,122 <OTHER-SE> (5,062,514) <TOTAL-LIABILITY-AND-EQUITY> 5,630,902 <SALES> 5,517,560 <TOTAL-REVENUES> 5,517,560 <CGS> 700,571 <TOTAL-COSTS> 1,665,079 <OTHER-EXPENSES> 2,514,067 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 1,382,056 <INCOME-TAX> 0 <INCOME-CONTINUING> 1,382,056 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,382,056 <EPS-PRIMARY> 0.11 <EPS-DILUTED> 0.11