<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> NOV-30-1997 <PERIOD-END> MAY-31-1997 <CASH> 2,370,000 <SECURITIES> 3,260,000 <RECEIVABLES> 2,496,000 <ALLOWANCES> 187,000 <INVENTORY> 318,000 <CURRENT-ASSETS> 9,018,000 <PP&E> 1,123,000 <DEPRECIATION> 658,000 <TOTAL-ASSETS> 15,077,000 <CURRENT-LIABILITIES> 1,528,000 <BONDS> 0 <PREFERRED-MANDATORY> 47,000 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 13,502,000 <TOTAL-LIABILITY-AND-EQUITY> 15,077,000 <SALES> 2,375,000 <TOTAL-REVENUES> 5,042,000 <CGS> 1,953,000 <TOTAL-COSTS> 3,822,000 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 1,220,000 <INCOME-TAX> 451,000 <INCOME-CONTINUING> 769,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 769,000 <EPS-PRIMARY> .16 <EPS-DILUTED> .16