<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> SEP-30-1998 <PERIOD-START> OCT-01-1997 <PERIOD-END> MAR-31-1998 <CASH> 11,052,406 <SECURITIES> 11,215,289 <RECEIVABLES> 11,872,079 <ALLOWANCES> 211,822 <INVENTORY> 4,339,573 <CURRENT-ASSETS> 39,191,805 <PP&E> 15,804,784 <DEPRECIATION> 6,854,215 <TOTAL-ASSETS> 58,613,918 <CURRENT-LIABILITIES> 4,496,559 <BONDS> 20,696,181 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2,394,399 <OTHER-SE> 20,577,374 <TOTAL-LIABILITY-AND-EQUITY> 58,613,918 <SALES> 17,990,170 <TOTAL-REVENUES> 17,990,170 <CGS> 6,040,696 <TOTAL-COSTS> 6,040,696 <OTHER-EXPENSES> 7,359,130 <LOSS-PROVISION> 30,052 <INTEREST-EXPENSE> 803,523 <INCOME-PRETAX> 4,441,882 <INCOME-TAX> 1,766,780 <INCOME-CONTINUING> 2,675,102 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,675,102 <EPS-PRIMARY> .19 <EPS-DILUTED> .18