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Zimmer Development Agreement (Tables)
12 Months Ended
Sep. 30, 2020
Zimmer Development Agreement [Abstract]  
Schedule of deferred revenue
   2020 
Deferred Revenue     
Balance as of beginning of period – September 30, 2019  $ 
Upfront initial exclusivity payment   2,000,000 
Revenue recognized   (1,926,566)
Balance as of end of period – September 30, 2020  $73,434