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Segment Reporting (Tables)
12 Months Ended
Sep. 30, 2021
Segment Reporting [Abstract]  
Schedule of each reportable segment’s revenue and income
   Fiscal year ended September 30, 2019 
   Battery
cells and
packs
segment
   E-bicycle
sales
segment
   Subtotal from operating
segments
   Other   Consolidated 
Revenues from external customers  $1,253,569   $104,080   $1,357,649   $13,552   $1,371,201 
Depreciation and amortization  $-   $(424)  $(424)  $(3,178)  $(3,602)
Segment income before tax  $1,119,568   $32,994   $1,152,562   $(111,499)  $1,041,063 
Segment gross profit margin   96%   (2)%   87%   39%   86%

 

   Fiscal year ended September 30, 2020 
   Battery
cells and
packs
segment
   E-bicycle
sales
segment
   Subtotal from operating
segments
   Other   Consolidated 
Revenues from external customers  $3,148,156   $11,165,290   $14,313,446   $929,836   $15,243,282 
Depreciation and amortization  $(2,318)  $(82,896)  $(85,214)  $(466)  $(85,680)
Segment income (loss) before tax  $251,731   $169,452   $421,183   $29,178   $450,361 
Segment gross profit margin   15%   9%   11%   10%   11%

 

   Fiscal year ended September 30, 2021 
   Battery
cells and
packs
segment
   E-bicycle
sales
segment
   Subtotal from operating
segments
   Other   Consolidated 
Revenues from external customers  $4,288,366   $18,232,537   $22,520,903   $901,103   $23,422,006 
Depreciation and amortization  $(804)  $(139,501)  $(140,305)  $(329,543)  $(469,848)
Segment income (loss) before tax  $16,902   $(2,034,515)  $(2,017,613)  $(1,779,032)  $(3,796,645)
Segment gross profit margin   3.2%   1.6%   1.9%   (4.4%)   1.6%

 

Schedule of reconciliation from reportable segment income
   For the fiscal years ended
September 30,
 
   2019   2020   2021 
Net revenues            
Total revenues from reportable segments  $1,357,649   $14,313,446   $22,520,903 
Other revenues   13,552    929,836    901,103 
Consolidated net revenues  $1,371,201   $15,243,282   $23,422,006 
                
Income or loss               
Total operating income (loss) for reportable segments  $1,149,103   $186,758   $(2,040,656)
Other income for reportable segments   3,459    234,425    23,043 
Total income for reportable segments   1,152,562    421,183    (2,017,613)
                
Unallocated amounts:               
Other corporate (expense) gain   (111,499)   29,178    (1,779,032)
Consolidated income from continuing operations before income taxes  $1,041,063   $450,361   $(3,796,645)