Second Quarter 1998 Financial Data
                     Consolidated Statements of Income
                   ( 000's except for per share amounts )



                                        Three Months Ended       Six Months Ended
                                       6/30/98      6/30/97     6/30/98    6/30/97

Net sales                             $12,115       $12,037    $30,874     $29,988
Cost of goods sold                     10,030        14,486     23,588      29,178
                                       ------        ------     ------      ------
      Gross profit                      2,085        (2,449)     7,286         810


Operating expenses:
      Selling                           2,835         2,173      5,679       4,979
      General and administrative          974         1,374      2,240       2,430
      Research and development          1,060         1,197      2,027       2,241
                                       ------        ------     ------      ------
      Total operating expenses          4,869         4,744      9,946       9,650
                                       ------        ------     ------      ------
      Operating profit (loss)          (2,784)       (7,193)    (2,660)     (8,840)


Net interest income (expense)             281            350       480        479
                                       ------         ------    ------     ------
Income before taxes on income          (2,503)        (6,843)   (2,180)    (8,361)

Taxes on income                          (930)        (2,531)     (807)    (3,093)
                                       ------         ------    ------     ------
      Net income (loss)             $  (1,573)       $(4,312)  $(1,374)   $(5,268)
                                       ------         ------    ------     ------

Earnings (loss) per share:

      Basic                            $(0.21)        $(0.58)   $(0.18)   $(0.71)
                                       ------         ------    ------    ------
      Diluted                          $(0.21)        $(0.58)   $(0.18)   $(0.71)
                                       ------         ------    ------    ------

Average number of shares outstanding:

      Basic                             7,475         7,472      7,474     7,465
                                       ------        ------     ------    ------
      Diluted                           7,475         7,472      7,474     7,465
                                       ------        ------     ------    ------