Annual report pursuant to Section 13 and 15(d)

Note 1 - Summary of Significant Accounting Policies (Tables)

v3.21.2
Note 1 - Summary of Significant Accounting Policies (Tables)
12 Months Ended
Sep. 30, 2021
Notes Tables  
Investments Classified by Contractual Maturity Date [Table Text Block]
   

September 30, 2021

   

September 30, 2020

 

Less than one year

  $ 10,373,831     $ 10,582,527  

1-5 years

    36,912,777       25,143,000  

Total

  $ 47,286,608     $ 35,725,527  
Financing Receivable, Allowance for Credit Loss [Table Text Block]

Year Ended

 

Balance at Beginning of Year

   

Additions (Recoveries) Charged to Costs and Expenses

   

Less Write-offs

   

Balance at End of Year

 

September 30, 2021

  $ 289,085     $ (209,612 )   $ -     $ 79,473  

September 30, 2020

  $ 289,085     $ -     $ -     $ 289,085  
Schedule of Inventory, Current [Table Text Block]
   

September 30,

2021

   

September 30,

2020

 
                 

Raw materials

  $ 23,071,833     $ 12,287,134  

Work-in-process

    2,481,890       1,033,021  

Finished goods

    3,361,576       2,048,514  

Inventories, gross

    28,915,299       15,368,669  

Inventory reserve

    (1,390,988 )     (960,131 )

Inventories, net

  $ 27,524,311     $ 14,408,538  
Property, Plant and Equipment [Table Text Block]
   

September 30,

2021

   

September 30,

2020

 
                 

Manufacturing equipment

  $ 9,178,935     $ 8,171,497  

Office equipment

    2,901,385       2,478,056  

Leasehold improvements

    2,589,777       2,576,861  

Vehicles

    245,903       245,903  

Construction in progress

    150,343       19,143  

Property, plant and equipment, gross

    15,066,343       13,491,460  

Less accumulated depreciation

    10,068,685       8,538,641  

Property, plant and equipment, net

  $ 4,997,658     $ 4,952,819  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   

September 30, 2021

 
   

Years

   

Gross Carrying Amount

   

Accumulated Amortization

   

Net Book Value Amount

 

Customer relationships

    15     $ 3,742,000     $ 904,317     $ 2,837,683  

Certifications

    8       1,068,000       483,937       584,063  

Trademarks

    8       563,000       255,109       307,891  

Patents

    20       790,384       84,660       705,724  

Other

    5       31,091       24,873       6,218  

Software

    1 - 3       1,959,670       1,705,098       254,572  

Totals

          $ 8,154,145     $ 3,457,994     $ 4,696,151  
   

September 30, 2020

 
   

Years

   

Gross Carrying Amount

   

Accumulated Amortization

   

Net Book Value Amount

 

Customer relationships

    15     $ 3,742,000     $ 654,850     $ 3,087,150  

Certifications

    8       1,068,000       350,437       717,563  

Trademarks

    8       563,000       184,734       378,266  

Patents

    20       689,889       56,257       633,632  

Other

    5       31,091       18,655       12,436  

Software

    1 - 3       1,695,559       1,538,390       157,169  

Totals

          $ 7,789,539     $ 2,803,323     $ 4,986,216  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
   

Estimated amortization expense

 

FY 2022

  $ 592,192  

FY 2023

    531,237  

FY 2024

    497,387  

FY 2025

    453,342  

FY 2026

    325,920  

Total

  $ 2,400,078  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Year ended September 30,

 

2021

   

2020

 

Net income

  $ 20,327,380     $ 7,293,066  

Weighted average common shares

    13,720,699       13,643,355  

Dilutive potential common shares

    63,594       -  

Weighted average dilutive common shares outstanding

    13,784,293       13,643,355  

Earnings per share:

               

Basic

  $ 1.48     $ 0.53  

Diluted

  $ 1.47     $ 0.53  
Useful Lives [Member]  
Notes Tables  
Property, Plant and Equipment [Table Text Block]
 

Years

Equipment

3 – 7

Leasehold improvements

7-10 or life of lease

Vehicles

3