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Segment Information (Tables)
 3 Months Ended
Sep. 30, 2017
Segment Reporting [Abstract]  
Schedule of segment performance measures
    Human 
Health		     Pharmaceutical 
Ingredients		     Performance
Chemicals		     Unallocated 
Corporate		     Consolidated 
Totals		  
2017                              
Net sales   $ 106,015     $ 36,576     $ 42,664     $ -     $ 185,255  
Gross profit     24,647       5,840       9,496       -       39,983  
Income (loss) before income taxes     5,026       2,231       4,945       (10,064 )     2,138  
                                         
2016                                        
Net sales   $ 47,889     $ 40,616     $ 39,513     $ -     $ 128,018  
Gross profit     14,205       6,954       9,680       -       30,839  
Income (loss) before income taxes     3,972       3,067       4,832       (5,091 )     6,780