Second Quarter 1997 Financial Data
                      Consolidated Statements of Income

                     (000's except for per share amounts )

                                                                      





                                          Three Months Ending    Six Month Ending

                                        ----------------------- ---------------------

                                          6/30/97     6/30/96    6/30/97     6/30/96   

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Net sales                                $ 12,037   $  21,131	$ 29,988   $  54,376  

Cost of goods sold                         14,486      17,389     29,178      42,851

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      Gross profit (loss)                  (2,449)      3,742        810      11,525



Operating expenses:

      Selling                               2,173       1,951      4,979       4,657

      General and administrative            1,374         869      2,430       1,697

      Research and development              1,197         619      2,241       1,230

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      Total operating expenses              4,744       3,439	   9,650       7,584

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      Operating profit (loss)              (7,193)        303     (8,840)      3,941



Net interest income (expense)                 350         109        479       (16)

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      Income (loss) before income taxes    (6,843)        412     (8,361)      3,925



Tax expense (benefit)                      (2,531)        155     (3,093)      1,455

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      Net income (loss)                 $  (4,312)  $     257   $ (5,268)  $   2,470

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Earnings (loss) per share:



      Primary                           $   (0.58)  $    0.04   $ (0.71)   $    0.36

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      Fully diluted                     $   (0.58)  $    0.04   $ (0.71)   $    0.36

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Average number of shares outstanding:



      Primary                               7,472       7,260     7,465        6,784

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      Fully diluted                         7,472       7,260     7,465        6,784

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