XML 61 R50.htm IDEA: XBRL DOCUMENT v3.19.1
Note 8 - Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Sep. 30, 2018
Intangible assets, gross carrying amount $ 1,752,270   $ 1,752,270   $ 1,810,076
Accumulated amortization (396,561)   (396,561)   (252,730)
Intangible assets, net 1,355,709   1,355,709   1,557,346
Amortization expense 76,633 $ 70,038 153,440 $ 71,842  
Technology-Based Intangible Assets [Member]          
Intangible assets, gross carrying amount 626,648   626,648   648,208
Customer Relationships [Member]          
Intangible assets, gross carrying amount 599,403   599,403   620,026
Trade Names [Member]          
Intangible assets, gross carrying amount 217,965   217,965   225,464
Noncompete Agreements [Member]          
Intangible assets, gross carrying amount 236,128   236,128   244,252
Patents [Member]          
Intangible assets, gross carrying amount $ 72,126   $ 72,126   $ 72,126