<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> 781 0 <SECURITIES> 0 0 <RECEIVABLES> 3,918 0 <ALLOWANCES> 236 0 <INVENTORY> 9,837 0 <CURRENT-ASSETS> 18,671 0 <PP&E> 15,969 0 <DEPRECIATION> 11,012 0 <TOTAL-ASSETS> 23,800 0 <CURRENT-LIABILITIES> 14,591 0 <BONDS> 1,786 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 7,859 0 <COMMON> 91,871 0 <OTHER-SE> (92,307) 0 <TOTAL-LIABILITY-AND-EQUITY> 23,800 0 <SALES> 11,869 9,042 <TOTAL-REVENUES> 11,869 9,042 <CGS> 7,201 5,325 <TOTAL-COSTS> 7,201 5,325 <OTHER-EXPENSES> 6,521 6,998 <LOSS-PROVISION> 24 20 <INTEREST-EXPENSE> 403 657 <INCOME-PRETAX> 3,624 (3,977) <INCOME-TAX> 0 (795) <INCOME-CONTINUING> 3,624 (3,182) <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 3,624 (3,182) <EPS-PRIMARY> 0.19 (0.34) <EPS-DILUTED> 0.19 (0.34)