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Note 1 - Organization and Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

June 30, 2023

  

December 31, 2022

 
  

(Unaudited)

  

(Audited)

 

Billed receivable

 $507,525  $115,469 

Unbilled receivable

  260,072   214,532 
  $767,597  $330,001 
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
  

June 30, 2023

  

December 31, 2022

 
  

(Unaudited)

  

(Audited)

 

Prepaid expenses - various

 $93,865  $124,273 

Prepaid insurance

  41,962   265,429 

Prepaid taxes

  325   2,534 
  $136,152  $392,236 
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
  

June 30, 2023

  

December 31, 2022

 
  

(Unaudited)

  

(Audited)

 

Research and development expenses

 $830,059  $1,067,958 

Legal expenses

  30,564   56,514 

Other

  45,253   151,841 
  $905,876  $1,276,313 
Schedule of Accrued Liabilities [Table Text Block]
  

June 30, 2023

  

December 31, 2022

 
  

(Unaudited)

  

(Audited)

 

Research and development expenses

 $496,355  $343,457 

Employee wages and benefits

  322,444   580,264 

Other

  90,683   31,360 
  $909,482  $955,081 
Schedule of Research and Development Costs [Table Text Block]
  

Three Months Ended June 30,

  

Six Months Ended June 30,

 
  

2023

  

2022

  

2023

  

2022

 
  

(Unaudited)

  

(Unaudited)

  

(Unaudited)

  

(Unaudited)

 

Outside contracted services

 $748,139  $1,616,605  $1,391,186  $2,752,161 

Personnel related costs

  147,414   199,475   299,608   406,265 

Facilities, overhead and other

  21,999   14,718   37,324   15,234 
  $917,552  $1,830,798  $1,728,118  $3,173,660