XML 43 R33.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 8 - Note Receivable (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

June 30,

  

December 31,

 
  

2022

  

2021

 
         

Accounts receivable - current

 $2,302,847  $1,234,411 

Loss on foreign currency

  (50,000

)

  (50,000

)

Allowance for doubtful account

  (213,785

)

  (213,785

)

Accounts receivable, net of allowances for doubtful accounts

 $2,039,062  $970,626 
Notes Receivable [Member]  
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

June 30,

  

December 31,

 
  

2022

  

2021

 
         

Note receivable

 $295,000  $295,000 

Repayment of note

  (7,000

)

  - 

Allowance for doubtful account

  (100,000

)

  (100,000

)

Note receivable, net of allowance

  188,000   195,000 

Current portion, net of allowance

 $119,644  $82,000 

Noncurrent portion, net of allowance

 $68,356  $113,000